Survey of Ophthalmology
Volume 44, Issue 5 , Pages 367-408 , March 2000

Human Corneal Thickness and Its Impact on Intraocular Pressure Measures: A Review and Meta-analysis Approach

  • Michael J Doughty, PhD

      Affiliations

    • Department of Vision Sciences, Glasgow-Caledonian University, Glasgow, United Kingdom
    • Corresponding Author InformationReprint address: Professor Michael J. Doughty, Department of Vision Sciences, Glasgow-Caledonian University, Cowcaddens Road, Glasgow G4 OBA, Scotland
  • ,
  • Mohammed L Zaman, MBBS

      Affiliations

    • Department of Vision Sciences, Glasgow-Caledonian University, Glasgow, United Kingdom

References 

  1. Abad JC, An B, Power WJ, et al.  A prospective evaluation of alcohol-assisted versus mechanical epithelial removal before photorefractive keratectomy. Ophthalmology. 1997;104:1566–1574discussion 1574–5
  2. Abbott RL, Fine M, Guillet E. Long-term changes in corneal endothelium following penetrating keratoplasty (a specular microscopic study). Ophthalmology. 1983;90:676–685
  3. Akesson B, Bengtsson M, Floren I. Visual disturbances after industrial triethylamine exposure. Int Arch Occup Environ Health. 1986;57:297–302
  4. Albarran C, Montes-Mico R, Pons AM, et al.  A simple technique for measurment of corneal thickness. Contact Lens Anterior Eye. 1998;21:109–114
  5. Alió JL, Artola A, Claramonte P, et al.  Photorefractive keratectomy for pediatric myopic aneisometropia. J Cataract Refract Surg. 1998;24:327–330
  6. Alsbirk PH. Corneal thickness. I. Age variation, sex difference and oculometric correlations. Acta Ophthalmol (Copenh). 1978;56:95–104
  7. Alsbirk PH. Optical pachymetry of the anterior chamber. A methodological study of errors of measurement using Haag Streit 900 instruments. Acta Ophthalmol (Copenh). 1974;52:747–758
  8. Amon M, Menapace R, Radax U, Papapanos P. Endothelial cell density and corneal pachometry after no-stitch, small-incision cataract surgery. Doc Ophthalmol. 1992;81:301–307
  9. Andrasko GJ. Corneal deswelling response to hard and hydrogel extended wear lenses. Invest Ophthalmol Vis Sci. 1986;27:20–23
  10. Aoyama Y, Ueno S. Central corneal thickness and anterior chamber depth in normal eyes and eyes with glaucoma In Japanese. Folia Ophthalmol Jpn. 1997;48:1367–1372
  11. Argus WA. Ocular hypertension and central corneal thickness. Ophthalmology. 1995;102:1810–1812
  12. Armitage BS, Schoessler JP. Overnight corneal swelling response in adapted and unadapted extended wear patients. Am J Optom Physiol Opt. 1988;65:155–161
  13. Arner RS, Rengstorff RH. Error analysis of corneal thickness measurements. Am J Optom Arch Am Acad Optom. 1972;49:862–865
  14. Arrivillaga R, Liedo MR, et al.  Frecuencia de distribucion de la presion intraocular normal en la poplacion mayor de 12 años. Rev Oftalmol Venez. 1979;37:289–292
  15. Arshinoff SA, Hofman I. Prospective, randomized trial comparing Micro Visc Plus and Healon GV in routine phacoemulsification. J Cataract Refract Surg. 1998;24:814–820
  16. Atkinson KW, Phillips AJ. Fenestrations in corneal lenses. Br J Physiol Opt. 1971;26:1–14
  17. Autzen T, Bjornstrom L. Central corneal thickness in premature babies. Acta Ophthalmol (Copenh). 1991;69:251–252
  18. Autzen T, Bjornstrom L. Central corneal thickness in full-term newborns. Acta Ophthalmol (Copenh). 1989;67:719–720
  19. Avitabile T, Marano F, Uva MG, Reibaldi A. Evaluation of central and peripheral corneal thickness with ultrasound biomicroscopy in normal and keratoconic eyes. Cornea. 1997;16:639–644
  20. Azen SP, Burg KA, Smith RE, Maguen E. A comparison of three methods for the measurement of corneal thickness. Invest Ophthalmol Vis Sci. 1979;18:535–538
  21. Baggett DA. Effect of hydrogel lens diameter on corneal edema. ICLC. 1977;4:45–48
  22. Bailey IL, Carney LG. Corneal changes from hydrophilic contact lenses. Am J Optom Arch Am Acad Optom. 1973;50:299–304
  23. Baratz KH, Trocme SD, Bourne WM. Cold-induced corneal edema in patients with trigeminal nerve dysfunction. Am J Ophthalmol. 1991;112:548–556
  24. Baum JL, Levene RZ. Corneal thickness after topical corticosteroid therapy. Arch Ophthalmol. 1968;79:366–369
  25. Beneyto P, Gutierrez R, Perez TM. Comparative study of three methods of evaluation of the corneal endothelium in pseudophakic patients (fluorophotometry, specular microscopy and pachymetry). Graefes Arch Clin Exp Ophthalmol. 1996;234:623–627
  26. Bengtsson B. Some factors affecting the distribution of intraocular pressures in a population. Acta Ophthalmol (Copenh). 1972;50:33–46
  27. Benitez del Castillo JM, Iradier MT, Hernandez JL, et al.  Corneal endothelial permeability after implantation of angle-fitted anterior chamber lenses in myopic phakic eyes. Preliminary results. Doc Ophthalmol. 1995;91:201–206
  28. Bentzen O. Sensorineural hearing loss and somatic insufficiency. Audiology. 1982;21:97–110
  29. Bentzen O, Damgaard-Jensen L, Ehlers N. Corneal thickness and somatic constitution. Ugeskr Laeger. 1980;142:1606–1609
  30. Binder PS, Kohler JA, Rorabaugh DA. Evaluation of an electronic corneal pachometer. Invest Ophthalmol Vis Sci. 1977;16:855–858
  31. Binder PS, Worthen DM. Clinical evaluation of continuous-wear hydrophilic lenses. Am J Ophthalmol. 1977;83:549–553
  32. Bohm A, Kohlhaas M, Lerche RC, et al.  Measuring intraocular pressure in keratoconus. Effect of the changed biomechanics. Ophthalmologe. 1997;94:771–774
  33. Bonanno JA, Polse KA. Central and peripheral corneal swelling accompanying soft lens extended wear. Am J Optom Physiol Opt. 1985;62:74–81
  34. Bonomi L, Marchini G, Marratta M, et al.  Prevalence of glaucoma and intraocular pressure distribution in a defined population. The Egna-Neumarkt study. Ophthalmology. 1988;105:209–215
  35. Boulton CA, Herman WK. Corneal thickness changes during ultrasound pachymetry for radial keratotomy. J Refract Surg. 1986;2:221–222
  36. Bourassa S, Benjamin WJ, Boltz RL. Effect of humidity on the deswelling function of the human cornea. Curr Eye Res. 1991;10:493–500
  37. Bourne WM. Morphologic and functional evaluation of the endothelium of transplanted human corneas. Trans Am Ophthalmol Soc. 1983;81:403–450
  38. Bourne WM. Reduction of endothelial cell loss during phakic penetrating keratoplasty. Am J Ophthalmol. 1980;89:787–790
  39. Bourne WM. One-year observation of transplanted human corneal endothelium. Ophthalmology. 1980;87:673–679
  40. Bourne WM, Enoch JM. Some optical principles of the clinical specular microscope. Invest Ophthalmol. 1976;15:29–32
  41. Bourne WM, Kaufman HE. The endothelium of clear corneal transplants. Arch Ophthalmol. 1976;94:1730–1732
  42. Bourne WM, Nelson LR, Hodge DO. Central corneal endothelial cell changes over a ten-year period. Invest Ophthalmol Vis Sci. 1997;38:779–782
  43. Bourne WM, Nelson LR, Hodge DO. Continued endothelial cell loss ten years after lens implantation. Ophthalmology. 1994;101:1014–1022
  44. Bradley W, Schoessler JP. Corneal response to thick and thin hydrophilic lenses. Am J Optom Physiol Opt. 1979;56:414–421
  45. Bramsen T, Corydon L, Ehlers N. A double-blind study of the influence of tranexamic acid on the central corneal thickness after cataract extraction. Acta Ophthalmol (Copenh). 1978;56:121–126
  46. Bramsen T, Ehlers N. Bullous keratopathy (Fuchs endothelial dystrophy) treated systemically with 4-trans-amino-cyclohexano-carboxylic acid. Acta Ophthalmol (Copenh). 1977;55:665–673
  47. Bramsen T, Klauber A, Bjerre P. Central corneal thickness and intraocular tension in patients with acromegaly. Acta Ophthalmol (Copenh). 1980;58:971–974
  48. Bramsen T, Pedersen U, Corydon L. Central corneal thickness in osteogenesis imperfecta. Ugeskr Laeger. 1980;142:1609–1610
  49. Brennan NA, Efron N, Carney LG. The effects of fenestrating soft contact lenses on corneal swelling—a re-examination. Clin Exp Optom. 1986;69:120–123
  50. Bron A, Chapard J, Creuzot-Garcher C, et al.  Is corneal thickness measurement reliable and useful?. J Fr Ophtalmol. 1999;22:160–168
  51. Bron AM, Creuzot-Garcher C, Goudeau-Boutillon S, d Athis P. Falsely elevated intraocular pressure due to increased central corneal thickness. Graefes Arch Clin Exp Ophthalmol. 1999;237:220–224
  52. Brubaker RF. Tonometry and corneal thickness editorial comment. Arch Ophthalmol. 1997;117:104–105
  53. Bucci FA, Myers PJ, Evans RE, et al.  Clinical and overnight corneal swell comparison of the 1-Day Acuvue lens versus the Medalist, Surevue, Biomedics, and Acuvue lenses. CLAO J. 1997;23:103–112
  54. Burns RR, Bourne WM, Brubaker RF. Endothelial function in patients with cornea guttata. Invest Ophthalmol Vis Sci. 1981;20:77–85
  55. Busin M, Schmidt J, Koch J, Spitznas M. Long-term results of sutureless phacoemulsification with implantation of a 7-mm polymethyl methacrylate intraocular lens see comments. Arch Ophthalmol. 1993;111:333–338
  56. Busted N, Olsen T, Schmitz O. Clinical observations on the corneal thickness and the corneal endothelium in diabetes mellitus. Br J Ophthalmol. 1981;65:687–690
  57. Cagianut B. On the distribution of the values of intra-ocular pressure in the normal population. Klin Monatsbl Augenheilkd. 1978;173:290–295
  58. Callender ME, Egan DJ. A clinical evaluation of the Weicon-T and DuraSoft-T™ soft contact lenses. ICLC. 1978;5:209–221
  59. Camellin M. Errori nella pachimetria corneale ultrasonica. Clin Oculist Patol Oculare. 1991;12:213–219
  60. Camellin M. Determinazione del reggio posteriore della cornea mediante pachimetria ultrasonica e potere corneale. Clin Oculist Patol Oculare. 1987;8:39–43
  61. Camoriano GP, Traverso CE, Pissarello L, et al.  Confronto fra dati rilevati con du diversi pachimetri a ultrasuoni. Clin Oculist Patol Oculare. 1991;12:229–230
  62. Caporossi A, Baiocchi S, Storzi C. Pachimetria ultrasonica nella chirugia refrattiva lamellare. Clin Oculist Patol Oculare. 1991;12:201–206
  63. Cardona H, DeVoe AG. New pachymeter to measure corneal thickness. Am J Ophthalmol. 1971;72:127–129
  64. Carkeet NL, Mountford JA, Carney LG. Predicting success with orthokeratology lens wear (a retrospective analysis of ocular characteristics). Optom Vis Sci. 1995;72:892–898
  65. Carlson KH, Bourne WM. Endothelial morphologic features and function after long-term extended wear of contact lenses. Arch Ophthalmol. 1985;106:1677–1679
  66. Carlson KH, Bourne WM, Brubaker RF. Effect of long-term contact lens wear on corneal endothelial cell morphology and function. Invest Ophthalmol Vis Sci. 1988;29:185–193
  67. Carlson KH, Bourne WM, McLaren JW, Brubaker RF. Variations in human corneal endothelial cell morphology and permeability to fluorescein with age. Exp Eye Res. 1988;47:27–41
  68. Carlson KH, Ilstrup DM, Bourne WM, Dyer JA. Effect of silicone elastomer contact lens wear on endothelial cell morphology in aphakic eyes. Cornea. 1990;9:45–47
  69. Carnevali R, Scoccianti L, Magoni C, Bontempelli G. I legami tra spessore corneale e senso cromatico nei diabetica. Ann Ottalmol Clin Oculist. 1982;108:687–690
  70. Carney LG. Hydrophilic lens effects on central and peripheral corneal thickness and corneal topography. Am J Optom Physiol Opt. 1975;52:521–523
  71. Carney LG. Effect of hypoxia on central and peripheral corneal thickness and corneal topography. Austral J Optom. 1975;58:61–65
  72. Carney LG, Jacobs RJ. Mechanisms of visual loss in corneal edema. Arch Ophthalmol. 1984;102:1068–1071
  73. Carney LG, Mainstone JC, Henderson BA. Corneal topography and myopia. A cross-sectional study. Invest Ophthalmol Vis Sci. 1997;38:311–320
  74. Carvalho CA, Rodrigues-Alves CA, Betinjane AJ. Estudo crı́tico da curva diária de pressåo intra-ocular em pacientes portadores de glaucoma crônico. Rev Bras Oftalmol. 1979;38:125–140
  75. Cedrone C, Galli MG, Petrill M, et al.  Valutazione dell aumento dello spessore corneale in corso di gravidanza. Clin Oculist Patol Oculare. 1988;9:453–456
  76. Cedrone C, Zapelloni A, Guida M, et al.  Studio epidemiologico descripivo su alcuni disordini oculari in corso di gravidanza. Boll Oculist. 1990;69:1291–1308
  77. Cennamo G, Rosa N, Guida E, et al.  Evaluation of corneal thickness and endothelial cells before and after excimer laser photorefractive keratectomy. J Refract Corneal Surg. 1994;10:137–141
  78. Cennamo G, Rosa N, La Rana A, et al.  Non-contact tonometry in patients that underwent photorefractive keratectomy. Ophthalmologica. 1997;211:341–343
  79. Cerulli L, Cedrone C, Favini E, Pocobelli A. Studio preliminare sull endotelio corneale dopo una prova del buio a palpebre chuise. Clin Oculist Patol Oculare. 1985;6:105–108
  80. Cerulli L, Corsi L, Cedrone C, Favini E. Test di provocazione per la valutazione della funzionalita dell endotelio corneale. Clin Oculist Patol Oculare. 1985;6:100–104
  81. Chan RS, Mandell RB. Corneal thickness changes from bathing solutions. Am J Optom Physiol Opt. 1975;52:465–469
  82. Chan RS, Mandell RB. Corneal swelling caused by Allium cepa. Am J Optom Arch Am Acad Optom. 1972;49:713–715
  83. Chatterjee A, Shah S, Bessant DA, et al.  Reduction in intraocular pressure after excimer laser photorefractive keratectomy. Correlation with pretreatment myopia see comments. Ophthalmology. 1997;104:355–359
  84. Cheng H, Bates AK, Wood L, McPherson K. Positive correlation of corneal thickness and endothelial cell loss. Serial measurements after cataract surgery. Arch Ophthalmol. 1988;106:920–922
  85. Cheng H, Sturrock GD, Rubinstein B, Bulpitt CJ. Endothelial cell loss and corneal thickness after intracapsular extraction and iris clip lens implantation (a randomised controlled trial (interim report)). Br J Ophthalmol. 1977;61:785–790
  86. Chisholm IA, Drance SM, Chauhan BC. The glaucoma suspect (differentiation of the future glaucomatous eye from the non-glaucomatous suspect eye. 1. Ultrasonic measurements and eye-wall stress). Graefes Arch Clin Exp Ophthalmol. 1989;227:17–20
  87. Cho P, Lam C. Factors affecting the central corneal thickness of Hong Kong-Chinese. Curr Eye Res. 1999;18:368–374
  88. Cochener B, Le Floch G, Colin J. Intra-corneal rings for the correction of weak myopias. J Fr Ophtalmol. 1998;21:191–208
  89. Cogan DG. Applied anatomy and physiology of the cornea. Trans Am Acad Ophthalmol Otolaryngol. 1951;55:329–359
  90. Cohen SR, Polse KA, Brand RJ, Bonanno JA. The association between pH level and corneal recovery from induced edema. Curr Eye Res. 1995;14:349–355
  91. Cohen SR, Polse KA, Brand RJ, Bonanno JA. Stromal acidosis affects corneal hydration control. Invest Ophthalmol Vis Sci. 1992;33:134–142
  92. Cohen SR, Polse KA, Brand RJ, Mandell RB. Humidity effects on corneal hydration. Invest Ophthalmol Vis Sci. 1990;31:1282–1287
  93. Colin J, Sale Y, Malet F, Cochener B. Inferior steepening is associated with thinning of the inferotemporal cornea. J Refract Surg. 1996;12:697–699
  94. Colton T, Ederer F. The distribution of intraocular pressures in the general population. Surv Ophthalmol. 1980;25:123–129
  95. Copt RP, Thomas R, Mermoud A. Corneal thickness in ocular hypertension, primary open-angle glaucoma, and normal tension glaucoma see comments. Arch Ophthalmol. 1999;117:14–16
  96. Costagliola C, Iuliano G, Rinaldi M, et al.  Effect of topical ketanserin administration on intraocular pressure. Br J Ophthalmol. 1993;77:344–348
  97. Costagliola C, Trapanese A, Pagano M. Intraocular pressure in a healthy population (a survey of 751 subjects). Optom Vis Sci. 1990;67:204–206
  98. Coulon P, Poirier L, Williamson W, et al.  Results of reoperation for under correction of radial keratotomies. Apropos of. 1993;25(cases. J Fr Ophtalmol 16):95–102
  99. Cox I, Ames K. Effect of eye patching on the overnight corneal swelling response with rigid contact lenses. Optom Vis Sci. 1989;66:207–208
  100. Cox I, Holden BA. Can vision loss be used as a quantitative assessment of corneal edema ?. ICLC. 1990;17:176–180
  101. Cox I, Zantos S, Erickson P. The contact lens induced overnight corneal swelling response of a daily wear adapted sample. ICLC. 1993;20:136–139
  102. Cox I, Zantos SG, Orsborn G. The overnight corneal swelling response of non-wear, daily-wear, and extended-wear soft lens patients. ICLC. 1990;17:134–138
  103. Crook TG. Fluorescein as an aid in pachometry. Am J Optom Physiol Opt. 1979;56:124–127
  104. De Cevallos E, Dohlman CH, Reinhart WJ. Corneal thickness in glaucoma. Ann Ophthalmol. 1976;8:177–182
  105. de la Messeliere S, Renard G. The corneal endothelium of diabetic patients. A study using specular microscopy. J Fr Ophtalmol. 1987;10:647–655
  106. De Venecia G, Davis MD. Diurnal variations of intraocular pressure in the normal eye. Arch Ophthalmol. 1983;69:752–757
  107. Denis P, Nordmann J-P, Bertin V, et al.  Evaluation of the Tono-Pen-2 and X-Pert™ non-contact tonometers in cataract surgery. Ophthalmologica. 1993;207:155–161
  108. Desai BM, Lavingia BC. Cornea thickness and tear glucose levels in diabetes mellitus and normal persons. Indian J Ophthalmol. 1987;35:130–132
  109. DeSanctis U, De Gioia E, Bogetto C, et al.  Modificazioni della superfiche oculare in relazione a tecniche d'esame oftalmologiche. Boll d'Oculist. 1995;74(Suppl):63–72
  110. Dohadwala AA, Munger R, Damji KF. Positive correlation between Tono-Pen intraocular pressure and central corneal thickness. Ophthalmology. 1998;105:1849–1854
  111. Dohlman CH. Physiology of the cornea. In:  Smolin G,  Thoft RA editor. The Cornea (Scientific Foundations and Clinical Practice). Toronto: Little, Brown and Co; 1983;p. 3–171983
  112. Donaldson DD. A new instrument for the measurement of corneal thickness. Arch Ophthalmol. 1966;76:25–31
  113. Doughman DJ, Harris JE, Mindrup E, Lindstrom RL. Prolonged donor cornea preservation in organ culture (Long-term clinical evaluation). Cornea. 1982;1:7–20
  114. Doughty MJ. The ambiguous coefficient of variation (Polymegethism of the corneal endothelium and central corneal thickness). ICLC. 1990;17:240–246
  115. Doughty MJ, Fonn D, Richter D, et al.  A patient questionnaire approach to estimating the prevalence of dry eye symptoms in patients presenting to optometric practices across Canada. Optom Vis Sci. 1997;74:624–631
  116. Drance SM. The significance of the diurnal tension variation in normal and glaucomatous eyes. Arch Ophthalmol. 1980;64:494–501
  117. Drexler W, Baumgartner A, Findle O, et al.  Submicron precision biometry of the anterior segment of the human eye. Invest Ophthalmol Vis Sci. 1997;38:1304–1313
  118. Drexler W, Hitzenberger CK, Baumgartner A, et al.  Investigation of dispersion effects in ocular media by multiple wavelength partial coherence interferometry. Exp Eye Res. 1998;66:25–33
  119. Dutt RM, Stocker EG, Wolff CH, et al.  A morphologic and fluorophotometric analysis of the corneal endothelium in long-term extended wear soft contact lens wearers. CLAO J. 1989;15:121–123
  120. Edmund C. Determination of the corneal thickness profile by optical pachometry. Acta Ophthalmol (Copenh). 1987;65:147–152
  121. Edmund C, la Cour M. Some components affecting the precision of corneal thickness measurement performed by optical pachometry. Acta Ophthalmol (Copenh). 1986;64:499–503
  122. Egan CA, Hodge DO, McLaren JW, Bourne WM. Effect of dorzolamide on corneal endothelial function in normal human eyes. Invest Ophthalmol Vis Sci. 1998;39:23–29
  123. Ehlers M, Hansen FK. Further data on biometric correlations of central corneal thickness. Acta Ophthalmol (Copenh). 1976;54:774–778
  124. Ehlers N. Graft thickness after penetrating keratoplasty. Acta Ophthalmol (Copenh). 1974;52:893–903
  125. Ehlers N. On corneal thickness and intraocular pressure. II. A clinical study on the thickness of the corneal stroma in glaucomatous eyes. Acta Ophthalmol (Copenh). 1970;48:1107–1112
  126. Ehlers N, Bramsen T. Central corneal thickness in dystrophic-degenerative corneal diseases. Ugeskr Laeger. 1980;142:1611–1612
  127. Ehlers N, Bramsen T. Central thickness in corneal disorders. Acta Ophthalmol (Copenh). 1978;56:412–416
  128. Ehlers N, Bramsen T, Sperling S. Applanation tonometry and central corneal thickness. Acta Ophthalmol (Copenh). 1975;53:34–43
  129. Ehlers N, Hansen FK. Central corneal thickness in low-tension glaucoma. Acta Ophthalmol (Copenh). 1974;52:740–746
  130. Ehlers N, Hansen FK. On the optical measurement of corneal thickness. Acta Ophthalmol (Copenh). 1971;49:65–81
  131. Ehlers N, Hansen FK, Aasved H. Biometric correlations of corneal thickness. Acta Ophthalmol (Copenh). 1975;53:652–659
  132. Ehlers N, Matthiessen ME. Hereditary crystalline corneal dystrophy of Schnyder. Acta Ophthalmol (Copenh). 1973;51:316–324
  133. Ehlers N, Modis L, Moller-Pedersen T. A morphological and functional study of Congenital Hereditary Endothelial Dystrophy. Acta Ophthalmol Scand. 1998;76:314–318
  134. Ehlers N, Sorensen T, Bramsen T, Poulsen EH. Central corneal thickness in newborns and children. Acta Ophthalmol (Copenh). 1976;54:285–290
  135. Ehlers N, Sperling S. A technical improvement of the Haag-Streit pachometer. Short communication. Acta Ophthalmol (Copenh). 1977;55:333–336
  136. Ehlers N, Sperling S, Olsen T. Post-operative thickness and endothelial cell density in cultivated, cryopreserved human corneal grafts. Acta Ophthalmol (Copenh). 1982;60:935–944
  137. El Hage SG, Leach NE. Central and peripheral corneal thickness changes induced by on K , steep, and flat contact lens wear. J Am Optom Assoc. 1975;46:296–302
  138. El Hage SG, Beaulne CC. Relationship between changes in corneal configuration and thickness. Am J Optom Physiol Opt. 1975;52:823–833
  139. El Hage SG, Hughes CC, Schauer KR, Jarrell RL. Evaluation of corneal thickness induced by hard and flexible contact lens wear. Am J Optom Physiol Opt. 1974;51:24–33
  140. El Hage SG, Beaulne C. Changes in central and peripheral corneal thickness with menstrual cycle. Am J Optom Arch Am Acad Optom. 1973;50:863–871
  141. Elliott DB, Fonn D, Flanagan J, Doughty M. Relative sensitivity of clinical tests to hydrophilic lens-induced corneal thickness changes. Optom Vis Sci. 1993;70:1044–1048
  142. Erickson P, Comstock TL. An improved technique for patched eye corneal swelling studies. ICLC. 1995;22:191–197
  143. Erickson P, Doughty MJ, Comstock TL, Cullen AP. Endothelial cell density and contact lens-induced corneal swelling. Cornea. 1998;17:152–157
  144. Esente S, Falco L, Passarelli N. Pachimetria ultrasonica e laser ad eccimeri (possibilita e limiti di utilizzo). Clin Oculist Patol Oculare. 1991;12:231–232
  145. Farris RL, Kubota Z, Mishima S. Epithelial decompensation with corneal contact lens wear. Arch Ophthalmol. 1971;85:651–660
  146. Faucher A, Gregoire J, Blondeau P. Accuracy of Goldmann tonometry after refractive surgery see comments. J Cataract Refract Surg. 1997;23:832–838
  147. Feldman F, Bain J, Matuk AR. Daily assessment of ocular and hormonal variables throughout the menstrual cycle. Arch Ophthalmol. 1978;96:1835–1838
  148. Follmann P, Palotás C, Süveges I, Petrovits A. Nocturnal blood pressure and intraocular pressure measurement in glaucoma patients and healthy controls. Int Ophthalmol. 1997;20:83–87
  149. Foster PJ, Baasanhu J, Alsbirk PH, et al.  Central corneal thickness and intraocular pressure in a Mongolian population. Ophthalmology. 1998;105:969–973
  150. Frueh BE, Bohnke M. Corneal grafting of donor tissue preserved for longer than 4 weeks in organ-culture medium. Cornea. 1995;14:463–466
  151. Fuenmayor-Rivera D, Cordero-Moreno R, et al.  Espesor normal de la cornea. Rev Oftalmol Venezol. 1978;38:335–344
  152. Fujita S. Circadian rhythm of human corneal thickness. Nippon Ganka Gakkai Zasshi. 1980;84:1232–1238
  153. Fujita S. Diurnal variation in human corneal thickness. Jpn J Ophthalmol. 1980;24:444–456
  154. Garner LF, Caithness HA. The effect of fenestrating soft contact lenses on corneal swelling. Am J Optom Physiol Opt. 1981;58:189–192
  155. Gasset AR, Lobo L, Houde W. Permanent wear of soft contact lenses in aphakic eyes. Am J Ophthalmol. 1977;83:115–120
  156. Gawdat I. Study of corneal thickness and curvature of Egyptian eyes. Bull Ophthalmol Soc Egypt. 1976;69:75–79
  157. Geerards AJ, Kok JH. Extreme temporary thinning after keratoplasty of organ-cultured corneas see comments. Cornea. 1993;12:277–281
  158. Gerstman DR. The biomicroscope and Vickers image splitting eyepiece applied to the diurnal variation in human corneal thickness. J Microsc. 1972;96:385–388
  159. Giasson C, Forthomme D. Comparison of central corneal thickness measurements between optical and ultrasound pachometers. Optom Vis Sci. 1992;69:236–241
  160. Giasson C, Forthomme D. Études comparative de deux méthodes de mesure de l épaisseur de la cornée humaine. Can J Optom. 1988;50:176–180
  161. Ginsberg SP, Capella JA, Kaufman HE. Normal patterns of corneal thinning after penetrating keratoplasty using refrigerated and cryopreserved donor material. Am J Ophthalmol. 1972;73:555–559
  162. Glasser DB, Matsuda M, Gager WE, Edelhauser HF. Corneal endothelial morphology after anterior chamber lens implantation. Arch Ophthalmol. 1985;103:1347–1349
  163. Gloster J. The accuracy of tonometry. Int Ophthalmol Clin. 1965;5(4):997–1005
  164. Goldberg MA, McNamara N, Nguyen NT, et al.  Effect of diclofenac sodium (Voltaren) on hypoxia-induced corneal edema in humans. CLAO J. 1995;21:61–63
  165. Goldman VH, Schmidt T. Applanationstonometrie. Ophthalmologica. 1957;134:221–242
  166. Gordon A, Boggess EA, Molinari JF. Variability of ultrasonic pachometry. Optom Vis Sci. 1990;67:162–165
  167. Graf M. Significance of the corneal thickness in non-contact tonometry. Klin Monatsbl Augenheilkd. 1991;199:183–186
  168. Gromacki SJ, Barr JT. Central and peripheral corneal thickness in keratoconus and normal patient groups. Optom Vis Sci. 1994;71:437–441
  169. Hacikova S. Pachometry—measurement of corneal thickness. Cesk Oftalmol. 1984;40:142–148
  170. Hacikova S, Krejci L, Brozek B, Szarvas J. Corneal pachymetry during gradual adaptation to contact lenses in low and medium myopia. Cesk Oftalmol. 1985;41:107–110
  171. Hamada R, Muramatsu R, Matsuo H. Morphometric study on the cornea in glaucoma. (1) Corneal thickness and endothelium. Jpn J Clin Ophthalmol. 1980;34:519–523
  172. Hansen FK. A clinical study of the normal human central corneal thickness. Acta Ophthalmol (Copenh). 1971;49:82–89
  173. Hansen FK, Ehlers N. Elevated tonometer readings caused by a thick cornea. Acta Ophthalmol (Copenh). 1971;49:775–778
  174. Hansen FK, Ehlers N, Bentzen O, Sogaard H. Central corneal thickness in retinal detachment. Acta Ophthalmol (Copenh). 1971;49:467–472
  175. Hara T, Hara T. Postoperative change in the corneal thickness of the pseudophakic eye (amplified diurnal variation and consensual increase). J Cataract Refract Surg. 1987;13:325–329
  176. Harper CL, Boulton ME, Bennett D, et al.  Diurnal variations in human corneal thickness published erratum appears in Br J Ophthalmol 1997 Feb;81(2):175. Br J Ophthalmol. 1996;80:1068–1072
  177. Harper CL, Boulton ME, Marcyniuk B, et al.  Endothelial viability of organ-cultured corneas following penetrating keratoplasty. Eye. 1970;12:834–838
  178. Harris MG. Human corneal thickness. Optom Weekly. 1977;61:853–856
  179. Harris MG, Barreto DJ, Matthews MS. The effect of peripherally fenestrated contact lenses on corneal edema. Am J Optom Physiol Opt. 1977;54:27–30
  180. Hatsuda T, Tsukamoto K, Kato E. Day-to-day variation in intraocular pressure. Rinsho Ganka. 1979;33:885–889
  181. Henkind P, Leitman M, Weitzman E. The diurnal curve in man (new observations). Invest Ophthalmol. 1973;12:705–707
  182. Herndon LW, Choudhri SA, Cox T, et al.  Central corneal thickness in normal, glaucomatous, and ocular hypertensive eyes see comments. Arch Ophthalmol. 1997;115:1137–1141
  183. Herse P, Akakura N, Ooi C. Topographical corneal edema. An update. Acta Ophthalmol (Copenh). 1993;71:539–543
  184. Herse P, Hooker B. Corneal edema recovery dynamics in diabetes (is the alloxan induced diabetic rabbit a useful model?). Invest Ophthalmol Vis Sci. 1994;35:310–313
  185. Herse P, Siu A. Short-term effects of proparacaine on human corneal thickness. Acta Ophthalmol (Copenh). 1992;70:740–744
  186. Herse P, Yao W. Variation of corneal thickness with age in young New Zealanders. Acta Ophthalmol (Copenh). 1993;71:360–364
  187. Hersh PS, Burnstein Y, Carr J, et al.  Excimer laser phototherapeutic keratectomy. Surgical strategies and clinical outcomes. Ophthalmology. 1996;103:1210–1222
  188. Hirji NK, Larke JR. Corneal thickness in extended wear of soft contact lenses. Br J Ophthalmol. 1979;63:274–276
  189. Hirji NK, Larke JR. Thickness of human cornea measured by topographic pachometry. Am J Optom Physiol Opt. 1978;55:97–100
  190. Hirst LW, Auer C, Cohn J, et al.  Specular microscopy of hard contact lens wearers. Ophthalmology. 1984;91:1147–1153
  191. Hirst LW, Quigley HA, Stark WJ, Shields MB. Specular microscopy of iridocorneal endothelia syndrome. Am J Ophthalmol. 1980;89:11–21
  192. Hitzenberger CK, Drexler W, Fercher AF. Measurement of corneal thickness by laser Doppler interferometry. Invest Ophthalmol Vis Sci. 1992;33:98–103
  193. Hjortdal JO, Bohm A, Kohlhaas M, et al.  Mechanical stability of the cornea after radial keratotomy and photorefractive keratectomy. J Refract Surg. 1996;12:459–466
  194. Holden BA, McNally JJ, Egan P. Limited lateral spread of stromal edema in the human cornea fitted with a (donut) contact lens with a large central aperture. Curr Eye Res. 1988;7:601–605
  195. Holden BA, McNally JJ, Mertz GW, Swarbrick HA. Topographical corneal oedema. Acta Ophthalmol (Copenh). 1985;63:684–691
  196. Holden BA, Mertz GW. Critical oxygen levels to avoid corneal edema for daily and extended wear contact lenses. Invest Ophthalmol Vis Sci. 1984;25:1161–1167
  197. Holden BA, Mertz GW, McNally JJ. Corneal swelling response to contact lenses worn under extended wear conditions. Invest Ophthalmol Vis Sci. 1983;24:218–226
  198. Holden BA, Polse KA, Fonn D, Mertz GW. Effects of cataract surgery on corneal function. Invest Ophthalmol Vis Sci. 1982;22:343–350
  199. Holden BA, Sweeney DF, Efron N, et al.  Contact lenses can induce stromal thinning. Clin Exp Optom. 1988;71:109–113
  200. Holden BA, Sweeney DF, La Hood D, Kenyon E. Corneal deswelling following overnight wear of rigid and hydrogel contact lenses. Curr Eye Res. 1988;7:49–53
  201. Holden BA, Sweeney DF, Sanderson G, et al.  The minimum precorneal oxygen tension to avoid corneal edema. Invest Ophthalmol Vis Sci. 1984;25:476–480
  202. Holden BA, Sweeney DF, Vannas A, et al.  Effects of long-term extended contact lens wear on the human cornea. Invest Ophthalmol Vis Sci. 1985;26:1489–1501
  203. Holden BA, Williams L, Zantos SG. The etiology of transient endothelial changes in the human cornea. Invest Ophthalmol Vis Sci. 1985;26:1354–1359
  204. Holland EJ, Lee RM, Bucci FA, et al.  Mottled cyan opacification of the posterior cornea in contact lens wearers. Am J Ophthalmol. 1995;119:620–626
  205. Hollows FC, Graham PA. Intra-ocular pressure, glaucoma, and glaucoma suspects in a defined population. Br J Ophthalmol. 1966;50:570–586
  206. Honegger H, Genee E. Thickness measurements of the cornea. A comparison of different instruments. Albrecht Von Graefes Arch Klin Exp Ophthalmol. 1986;174:262–270
  207. Hong C, Kandori T, Kitazawa Y, Tanishima T. The corneal endothelial cells in ocular hypertension. Jpn J Ophthalmol. 1982;26:183–189
  208. Hong C, Kandori T, Kitazawa Y, Tanishima T. The corneal endothelial cell of ocular hypertension. Nippon Ganka Gakkai Zasshi. 1982;86:596–600
  209. Horie T, Kitazawa Y. The clinical significance of diurnal pressure variation in primary open-angle glaucoma. Jpn J Ophthalmol. 1979;23:310–333
  210. Hovding G. The central corneal thickness in keratoconjunctivitis sicca. Acta Ophthalmol (Copenh). 1992;70:108–110
  211. Hovding G, Bertelsen T. Epikeratophakia for keratoconus. Long-term results using fresh, free-hand made lamellar grafts. Acta Ophthalmol (Copenh). 1992;70:461–469
  212. Høvding G. A clinical study of the association between thickness and curvature of the central cornea. Acta Ophthalmol (Copenh). 1983;61:461–466
  213. Høvding G. Variations in central corneal thickness during the first year of contact lens wear. Acta Ophthalmol (Copenh). 1982;60:57–69
  214. Insler MS, Baumann JD. Corneal thinning syndromes. Ann Ophthalmol. 1986;18:74–75
  215. Insler MS, Cooper HD. New correlations in keratoconus using pachymetric and keratometric analysis. CLAO J. 1986;12:101–105
  216. Insler MS, Cooper HD, Caldwell DR. Analysis of corneal thickness and endothelial cell density in pseudophakic and aphakic patients undergoing penetrating keratoplasty. Arch Ophthalmol. 1985;103:390–393
  217. Irvine AR, Capella JA, Kaufman HE. Corneal thickness (postoperative changes in refrigerated and cryopreserved corneal grafts). Arch Ophthalmol. 1969;82:232–238
  218. Iskeleli G, Oral AY, Celikkol L. Changes in corneal radius and thickness in response to extended wear of rigid gas permeable contact lenses. CLAO J. 1996;22:133–135
  219. Itoi M, Nakamura T, Mizobe K, et al.  Specular microscopic studies of the corneal endothelia of Japanese diabetics. Cornea. 1989;8:2–6
  220. Iuglio N. Lo spessore corneale periferico nel glaucoma primario. Ann Ottalmol. 1978;104:227–232
  221. Iuglio N. Effects of oral glycerol on the thickness of normal human cornea. Boll Soc Ital Biol Sper. 1971;47:595–596
  222. Iuglio N. Effects of topical dexamethasone on the dimensions of the anterior segment and on lens thickness. Ann Ottalmol Clin Ocul. 1969;95:921–925
  223. Iuglio N. Influence of intraocular pressure on the thickness of the human cornea. Boll Soc Ital Biol Sper. 1967;43:1904–1905
  224. Ivashina AI, Plygunova NL, Mikkailova GD. Methods of clinical pachometry. Vestn Oftalmol. 1984;101:58–61
  225. Iwasaki W, Takayama M, Murata H, et al.  The statistical evaluation of corneal thickness and ocular axial length measurement using ultrasound systems. J Jpn Contact Lens Soc. 1982;24:74–82
  226. Jacob JS. Corneal thickness changes following cataract surgery (effect of lens implantation and sodium hyaluronate). Br J Ophthalmol. 1985;69:567–571
  227. Jensen JH, Bentzen O, Groes P. Hearing loss in children with abnormal corneal thickness. Audiology. 1982;21:177–183
  228. Johnson M, Kass MA, Moses RA, Grodzki WJ. Increased corneal thickness simulating elevated intraocular pressure. Arch Ophthalmol. 1978;96:664–665
  229. Johnson MH, Boltz RL, Godio LB. Deswelling of the cornea after hypoxia. Am J Optom Physiol Opt. 1985;62:768–773
  230. Kaminski S, Hommer A, Koyuncu D, et al.  Influence of dorzolamide on corneal thickness, endothelial cell count and corneal sensibility. Acta Ophthalmol Scand. 1998;76:78–79
  231. Kamiya C. Studies on corneal thickness (Part 1). J Jpn Contact Lens Soc. 1973;24:1–7
  232. Kamiya C. Studies on the corneal thickness. 2. Corneal thickness and intraocular pressure. Nippon Ganka Gakkai Zasshi. 1973;77:790–796
  233. Kamiya C, Sawano T, Kouzani A, et al.  Overnight swelling with RGP contact lenses of different oxygen transmissibility (Dk/L). J Jpn Contact Lens Soc. 1991;33:196–200
  234. Kaplan BA, Trimber CJ. Corneal response to extended wear of CAB contact lenses in aphakia. Ophthalmology. 1980;87:292–297
  235. Kappil JC, Bouchard CS, Savitt ML. Short-term effect of dorzolamide on corneal thickness in patients with prior intraocular surgery. Ann Ophthalmol. 1999;31:118–121
  236. Kasprzak HT. Approximation of geometry and thickness of the human cornea. Optik. 1997;107:62–66
  237. Kass MA. Standardizing the measurement of intraocular pressure for clinical research. Guidelines from the Eye Care Technology Forum. Ophthalmology. 1996;103:183–185
  238. Katz B, Melles RB, Schneider JA, Rao NA. Corneal thickness in nephropathic cystinosis. Br J Ophthalmol. 1989;73:665–668
  239. Kaya G, Delbosc B, Prost F, Montard M: Diurnal variability of the corneal thickness. Practical application in radial keratotomy. Bull Soc Ophtalmol Fr 87:1301, 1304–9, 1987
  240. Kempster AJ, Larke JR. An illustration of an in-vivo corneal response to a soft lens presoaked in a non-isotonic solution. Br J Ophthalmol. 1978;62:66–68
  241. Kempster AJ, Larke JR, Marsters JB. The effect of hypertonic saline on human corneal hydration. Br J Physiol Opt. 1975;30:16–19
  242. Kenyon E, Polse KA, O'Neal MR. Ocular response to extended wear of hard gas-permeable lenses. CLAO J. 1985;11:119–123
  243. Kenyon E, Polse KA, Seger RG. Influence of wearing schedule on extended-wear complications. Ophthalmology. 1986;93:231–236
  244. Keoleian GM, Pach JM, Hodge DO, et al.  Structural and functional studies of the corneal endothelium in diabetes mellitus. Am J Ophthalmol. 1992;113:64–70
  245. Kerr Muir MG, Woodward EG, Leonard TJ. Corneal thickness, astigmatism, and atopy. Br J Ophthalmol. 1987;71:207–211
  246. Kiely PM, Carney LG, Smith G. Diurnal variations of corneal topography and thickness. Am J Optom Physiol Opt. 1982;59:976–982
  247. Kiely PM, Carney LG, Smith G. Menstrual cycle variations of corneal topography and thickness. Am J Optom Physiol Opt. 1983;60:822–829
  248. Kitazawa Y, Horie T. Diurnal variation of intraocular pressure in primary open-angle glaucoma. Am J Ophthalmol. 1975;79:557–566
  249. Klein BE, Klein R, Linton KL. Intraocular pressure in an American community. The Beaver Dam Eye Study Invest Ophthalmol Vis Sci. 1992;33:2224–2228
  250. Koch DD, Abarca A, Villarreal R, et al.  Hyperopia correction by noncontact holmium:YAG laser thermal keratoplasty. Clinical study with two-year follow-up. Ophthalmology. 1996;103:731–740
  251. Koch DD, Liu JF, Glasser DB, et al.  A comparison of corneal endothelial changes after use of Healon or Viscoat during phacoemulsification. Am J Ophthalmol. 1993;115:188–201
  252. Kohlhaas M, Lerche RC, Draeger J, et al.  Influence of corneal thickness and corneal curvature on tonometry readings after corneal refractive surgery. Eur J Implant Refract Surg. 1995;7:84–88
  253. Kohlhaas M, Lerche RC, Klenn M, et al.  Aesthesiometry after cryo-keratomileusis and in situ keratomileusis. Eur J Implant Refract Surg. 1995;7:164–169
  254. Kok JHC, Hilbrink HJ, Rosenbrand RM, et al.  Extended-wear of high oxygen-permeable quantum contact lenses. Int Ophthalmol. 1992;16:123–127
  255. Korey M, Gieser D, Kass MA, et al.  Central corneal endothelial cell density and central corneal thickness in ocular hypertension and primary open-angle glaucoma. Am J Ophthalmol. 1982;94:610–616
  256. Kosrirukvongs P, Slade SG, Berkeley RG. Corneal endothelial changes after divide and conquer versus chip and flip phacoemulsification see comments. J Cataract Refract Surg. 1997;23:1006–1012
  257. Kreis-Gosselin F, Lumbroso P. Extended wear of rigid gas permeable high Dk contact lenses in myopia. Contactologica. 1990;12:158–162
  258. Kremer FB, Walton P, Gensheimer G. Determination of corneal thickness using ultrasonic pachometry. Ann Ophthalmol. 1985;17:506–507
  259. Kwitko S, Gritz DC, Garbus JJ, et al.  Diurnal variation of corneal topography after radial keratotomy. Arch Ophthalmol. 1992;110:351–356
  260. Lam AK, Douthwaite WA. The corneal-thickness profile in Hong Kong Chinese. Cornea. 1998;17:384–388
  261. Lam AK, Douthwaite WA. The effect of an artificially-elevated intraocular pressure on corneal thickness in Chinese eye. Ophthalmic Physiol Opt. 1997;17:414–420
  262. Lam AKC, Douthwaite WA. A pilot study on the measurement of central posterior corneal radius in Hong Kong Chinese using Purkinje image technique. Ophthal Physiol Opt. 1997;17:68–74
  263. Larsson LI, Bourne WM, Pach JM, Brubaker RF. Structure and function of the corneal endothelium in diabetes mellitus type I and type II. Arch Ophthalmol. 1996;114:9–14
  264. Lass JH, Bourne WM, Musch DC, et al.  A randomized, prospective, double-blind clinical trial of Optisol vs Dexsol corneal storage media. Arch Ophthalmol. 1992;110:1404–1408
  265. Lass JH, Dutt RM, Spurney RV, et al.  Morphologic and fluorophotometric analysis of the corneal endothelium in long-term hard and soft contact lens wearers. CLAO J. 1988;14:105–109
  266. Lass JH, Spurney RV, Dutt RM, et al.  A morphologic and fluorophotometric analysis of the corneal endothelium in type I diabetes mellitus and cystic fibrosis. Am J Ophthalmol. 1985;100:783–788
  267. Lattimore MR, Kaupp S, Schallhorn S, Lewis R. Orbscan pachometry—implications of a repeated measures and diurnal variation analysis. Ophthalmology. 1999;106:977–981
  268. Lattimore MR. Influence of extended soft contact lens wear on the comparative measurement of central corneal thickness. Acta Ophthalmol Scand. 1996;74:239–242
  269. Leach NE, Wallis NE, Lothringer LL, Olson JA. Corneal hydration changes during the normal menstrual cycle—a preliminary study. J Reprod Med. 1971;6:201–204
  270. Lebow KA, Plishka K. Ocular changes associated with extended-wear contact lenses. ICLC. 1980;7:49–55
  271. Lehmann R, Brint S, Stewart R, et al.  Clinical comparison of Provisc and Healon in cataract surgery. J Cataract Refract Surg. 1995;21:543–547
  272. Lehto I, Ruusuvaara P, Setala K. Corneal endothelium in pigmentary glaucoma and pigment dispersion syndrome. Acta Ophthalmol (Copenh). 1990;68:703–709
  273. Leibowitz HM, Laing RA, Sandstrom M. Continuous wear of hydrophilic contact lenses. Arch Ophthalmol. 1973;89:306–310
  274. Levey SB, Katz HR, Abrams DA. Intraoperative corneal pachymetry in eyes having radial keratotomy. J Cataract Refract Surg. 1995;21:627–629
  275. Levy B, Nguyen N, Abbott RL, et al.  Hypotony and corneal edema secondary to patching in normal eyes. Optom Vis Sci. 1992;69:72–75
  276. Levy Y, Zadok D, Glovinsky Y, et al.  Tono-Pen versus Goldmann tonometry after excimer laser photorefractive keratectomy. J Cataract Refract Surg. 1995;25:486–491
  277. Leys M, Van Rij G, De Heer LJ, et al.  The influence of oxybuprocaine (Novesine) on the intraocular pressure. Doc Ophthalmol. 1996;61:295–301
  278. Li HF, Petroll WM, Moller-Pedersen T, et al.  Epithelial and corneal thickness measurements by in vivo confocal microscopy through focusing (CMTF). Curr Eye Res. 1997;16:214–221
  279. Li JH, Zhou F, Zhou SA. Research on corneal thickness at multi-points in normal and myopic eyes. Chung Hua Yen Ko Tsa Chih. 1994;30:445–448
  280. Liesegang TJ, Bourne WM, Ilstrup DM. Prospective 5-year postoperative study of cataract extraction and lens implantation. Trans Am Ophthalmol Soc. 1989;87:57–75
  281. Longanesi L, Cavallini GM, Toni R. Quantitative clinical anatomy of the human cornea in vivo. A morphometric study by ultrasonic pachymetry and computer-assisted topographic videokeratoscopy. Acta Anat (Basel). 1996;157:73–79
  282. Lowe RF. Central corneal thickness. Ocular correlations in normal eyes and those with primary angle-closure glaucoma. Br J Ophthalmol. 1969;53:824–826
  283. Lowe RF. Central corneal thickness. Ocular correlations in normal eyes and those with primary angle-closure glaucoma. Br J Ophthalmol. 1969;53:824–826
  284. Lowther GE, Tomlinson A. Clinical study of corneal response to the wear of low water content soft lenses. Am J Optom Physiol Opt. 1979;56:674–680
  285. Luxenberg MN, Green K. Reduction of corneal edema with topical hypertonic agents. Am J Ophthalmol. 1971;71:847–853
  286. MacRae S, Rich L, Phillips D, Bedrossian R. Diurnal variation in vision after radial keratotomy. Am J Ophthalmol. 1989;107:262–267
  287. Manchester PT. Hydration of the cornea. Trans Am Ophthalmol Soc. 1970;68:427–461
  288. Mandell RB. Fluoroperm contact lens (overnight pachometry study). Contact Lens J. 1988;16:173–175
  289. Mandell RB. Corneal edema and curvature changes from gel lenses. ICLC. 1975;2:88–99
  290. Mandell RB, Farrell R. Corneal swelling at low atmospheric oxygen pressures. Invest Ophthalmol Vis Sci. 1980;19:697–702
  291. Mandell RB, Fatt I. Thinning of the human cornea on awakening. Nature. 1965;208:292–293
  292. Mandell RB, Polse KA. Corneal thickness changes accompanying central corneal clouding. Am J Optom Arch Am Acad Optom. 1971;48:129–132
  293. Mandell RB, Polse KA. Corneal thickness changes as a contact lens fitting index—experimental results and a proposed model. Am J Optom Arch Am Acad Optom. 1969;46:479–491
  294. Mandell RB, Polse KA. Keratoconus (spatial variation of corneal thickness as a diagnostic test). Arch Ophthalmol. 1989;82:182–188
  295. Mandell RB, Polse KA, Brand RJ, et al.  Corneal hydration control in Fuchs dystrophy. Invest Ophthalmol Vis Sci. 1989;30:845–852
  296. Mandell RB, Polse KA, Fatt I. Corneal swelling caused by contact lens wear. Arch Ophthalmol. 1970;83:3–9
  297. Mandell RB, Polse KA. Contact lenses worn during sleep and rest periods. J Am Optom Assoc. 1970;41:937–939
  298. Mardelli PG, Piebenga LW, Whitacre MM, Siegmund KD. The effect of excimer laser photorefractive keratectomy on intraocular pressure measurements using the Goldmann applanation tonometer see comments. Ophthalmology. 1997;104:945–948discussion 949
  299. Marisi A, Aquavella JV. Hypertonic saline solution in corneal oedema. Ann Ophthalmol. 1975;7:229–233
  300. Martola EL, Baum JL. Central and peripheral corneal thickness. A clinical study. Arch Ophthalmol. 1968;79:28–30
  301. Massin M. Anti-inflammatory effect of tiaprofenic acid following ocular surgery. J Fr Ophtalmol. 1985;8:559–563
  302. Matsuda M, Bourne WM. Long-term morphologic changes in the endothelium of transplanted corneas. Arch Ophthalmol. 1985;103:1343–1346
  303. Matsuda M, Kinoshita S, Ohashi Y, et al.  Comparison of the effects of intraocular irrigating solutions on the corneal endothelium in intraocular lens implantation. Br J Ophthalmol. 1991;75:476–479
  304. Maurice DM, Giardini AA. A simple optical apparatus for measuring the corneal thickness and the average thickness of the human cornea. Br J Ophthalmol. 1951;35:169–177
  305. McCaghrey FE, McCaghrey GE. A practice based study of factors influencing intra-ocular pressure. Ophthalmic Physiol Opt. 1991;11:195–200
  306. McDonnell PJ, Enger C, Stark WJ, Stulting RD. Corneal thickness changes after high-risk penetrating keratoplasty. Collaborative Corneal Transplantation Study Group. Arch Ophthalmol. 1993;111:1374–1381
  307. McMahon TT, Polse KA, McNamara N, Viana MA. Recovery from induced corneal edema and endothelial morphology after long-term PMMA contact lens wear. Optom Vis Sci. 1996;73:184–188
  308. McNamara NA, Brand RJ, Polse KA, Bourne WM. Corneal function during normal and high serum glucose levels in diabetes. Invest Ophthalmol Vis Sci. 1998;39:3–17
  309. Merlin U, Camellin M, Mazzeo V. Dispositivo per la misurazione ultrasonica dello spesso corneale in punti a distanza prefissata dal centro. Clin Oculist Patol Oculare. 1987;8:37–38
  310. Mertz GW. Overnight swelling of the living human cornea. J Am Optom Assoc. 1980;51:211–214
  311. Miller D, Peczon JD, Whitworth CG. Corticosteroids and functions in the anterior segment of the eye. Am J Ophthalmol. 1965;59:31–34
  312. Millodot M. The influence of pregnancy on the sensitivity of the cornea. Br J Ophthalmol. 1977;61:646–649
  313. Millodot M. Effect of hard contact lenses on corneal sensitivity and thickness. Acta Ophthalmol (Copenh). 1975;53:576–584
  314. Millodot M, Henson DB, O'Leary DJ. Measurement of corneal sensitivity and thickness with PMMA and gas-permeable contact lenses. Am J Optom Physiol Opt. 1979;56:628–632
  315. Mishima S. Corneal thickness. Surv Ophthalmol. 1968;13:57–96
  316. Mishima S, Hedbys BO. Measurement of corneal thickness with the Haag-Streit pachometer. Arch Ophthalmol. 1968;80:710–713
  317. Mitzutani Y, Okabe H. Effects of extended wear of Hisilic Lenses on the cornea. Resultant change in corneal thickness during sleep (closed eyelids). Contacto (Chic). 1979;23:19–22
  318. Mizutani Y, Matsutaka H, Takemoto N, Mizutani Y. Effects of anoxia on human cornea. Nippon Ganka Gakkai Zasshi. 1983;87:644–649
  319. Módis L, Süveges K, Takács L, et al.  Pachymetrai vizsgalatok normalis corneakon (optika es ultrahangos modszerek). Szemeszet. 1995;132:127–131
  320. Mok KH, Wong CS, Lee VW. Tono-Pen tonometer and corneal thickness. Eye. 1982;13:35–37
  321. Molinari JF. A review of pachometry. Am J Optom Physiol Opt. 1982;59:912–917
  322. Molinari JF, Bonds T. Pachometry (a comparison between touch and overlap measurement method). Am J Optom Physiol Opt. 1983;60:61–66
  323. Moller-Pedersen T, Vogel M, Li HF, et al.  Quantification of stromal thinning, epithelial thickness, and corneal haze after photorefractive keratectomy using in vivo confocal microscopy. Ophthalmology. 1997;104:360–368
  324. Morad Y, Sharon E, Hefetz L, Nemet P. Corneal thickness and curvature in normal-tension glaucoma see comments. Am J Ophthalmol. 1998;125:164–168
  325. Moses RA. Repeated applanation tonometry. Ophthalmologica. 1961;142:663–668
  326. Moses RA. The Goldman applanation tonometer. Am J Ophthalmol. 1958;46:865–869
  327. Munger R, Hodge WG, Mintsioulis G, et al.  Correction of intraocular pressure for changes in central corneal thickness following photorefractive keratectomy. Can J Ophthalmol. 1998;33:159–165
  328. Murata H, Kato K. Studies on corneal thickness. Part 2. The corneal thickness in emmetropia and ametropia and distributions of its thickness. Rinsho Ganka. 1963;17:447–451
  329. Murata H, Ozeki K. Studies on corneal thickness (Preliminary report). J. Jpn. Contact Lens Soc. 1962;4:131–136
  330. Murrell WJ, Shihab Z, Lamberts DW, Avera B. The corneal endothelium and central corneal thickness in pigmentary dispersion syndrome. Arch Ophthalmol. 1986;104:845–846
  331. Mutti DO, Seger RG. Artifact in optical pachometry with contact lenses in situ. Am J Optom Physiol Opt. 1986;63:847–852
  332. Nagasubramanian S, Stewart RH, Hitchings RA. Long-term effects of glaucoma therapy with 4% pilocarpine gel on corneal clarity and endothelial cell density. Int Ophthalmol. 1994;18:5–8
  333. Nassaralla BA, Garbus J, McDonnell PJ. Phototherapeutic keratectomy for granular and lattice corneal dystrophies at 1.5 to 4 years. J Refract Surg. 1996;12:795–800
  334. Nemeth J, Csakany B, Pregun T. Ultrasound biomicroscopic morphometry of the anterior eye segment before and after one drop of pilocarpine. Int Ophthalmol. 1997;20:39–42
  335. Nesher R, Kass MA, Gans LA. Corneal endothelial changes in ocular hypertensive individuals after long-term unilateral treatment with timolol. Am J Ophthalmol. 1990;110:309–310
  336. Nichamin LD, Raanan MG. Corneal thickness variation during eight-incision radial keratotomy. J Cataract Refract Surg. 1997;23:509–514
  337. Nielsen CB. Prostaglandin inhibition and central corneal thickness after cataract extraction. Acta Ophthalmol (Copenh). 1982;60:252–258
  338. Nielsen CB. The effect of carbonic anhydrase inhibition on central corneal thickness after cataract extraction. Acta Ophthalmol (Copenh). 1980;58:985–990
  339. Nielsen CB, Nielsen PJ. Effect of alpha- and beta-receptor active drugs on corneal thickness. Acta Ophthalmol (Copenh). 1985;63:351–354
  340. Nielsen PJ. The central corneal thickness in patients with Horners syndrome. Acta Ophthalmol (Copenh). 1983;61:467–473
  341. Nieuwendaal CP, Odenthal MT, Kok JH, et al.  Morphology and function of the corneal endothelium after long-term contact lens wear. Invest Ophthalmol Vis Sci. 1994;35:3071–3077
  342. Nilsson SE, Morris JA. Corneal thickness response to high and low water content lenses in aphakic eyes. Br J Ophthalmol. 1983;67:317–319
  343. Nilsson SE, Wrigstad A. Corneal thickness in daily contact lens wear. A comparion of a low water content lens and high water content lens. Acta Ophthalmol (Copenh). 1981;59:149–158
  344. Nishiyama K, Urakawa Y, Okubo H. Aging changes in central corneal thickness. Nippon Ganka Gakkai Zasshi. 1987;91:415–419
  345. Nissen J, Hjortdal JO, Ehlers N, et al.  A clinical comparison of optical and ultrasonic pachometry. Acta Ophthalmol (Copenh). 1991;69:659–663
  346. Nissen JN, Ehlers N, Frost-Larsen K, Sorensen T. The effect of topical steroid on postoperative corneal edema and endothelial cell loss after intracapsular cataract extraction. Acta Ophthalmol (Copenh). 1993;71:89–94
  347. Norn MS. Corneal thickness after cataract extraction with air in the anterior chamber. Acta Ophthalmol (Copenh). 1975;53:747–750
  348. Norn MS. Pachometric study on the influence of corneal endothelial vital staining. Corneal thickness after cataract extraction studied by vital staining with trypan blue. Acta Ophthalmol (Copenh). 1973;51:679–686
  349. Norrelykke Nissen J, Ehlers N. No additive effect of tranexamic acid and naproxen on corneal deswelling. Acta Ophthalmol (Copenh). 1986;64:291–294
  350. Novak AE, Lindstrom RL, Williams PA, et al.  Corneal pachymetry prior to radial keratotomy (A comparison of techniques). J Refract Surg. 1985;1:151–153
  351. Nucci P, Brancato R, Carones F, et al.  Mandibulofacial dysostosis and cornea guttata. Am J Ophthalmol. 1989;108:204–205
  352. Nuyts RM, Boot N, van Best JA, et al.  Long term changes in human corneal endothelium following toxic endothelial cell destruction (a specular microscopic and fluorophotometric study). Br J Ophthalmol. 1996;80:15–20
  353. Oh KT, Weil LJ, Oh DM, Mathers WD. Corneal thickness in Fuchs dystrophy with and without epithelial oedema. Eye. 1998;12:282–284
  354. Olsen EG, Olsen H. Influence of ethanol ingestion on the cornea. Acta Ophthalmol (Copenh). 1993;71:696–698
  355. Olsen T. Transient changes in specular appearance of the corneal endothelium and in corneal thickness during anterior uveitis. Acta Ophthalmol (Copenh). 1981;59:100–109
  356. Olsen T. The endothelial cell damage in acute glaucoma. On the corneal thickness response to intraocular pressure. Acta Ophthalmol (Copenh). 1980;58:257–266
  357. Olsen T. Corneal thickness and endothelial damage after intracapsular cataract extraction. Acta Ophthalmol (Copenh). 1980;58:424–433
  358. Olsen T, Ehlers N. The thickness of the human cornea as determined by a specular method. Acta Ophthalmol (Copenh). 1984;62:859–871
  359. Olsen T, Ehlers N, Bramsen T. Influence of tranexamic acid and acetylsalicylic acid on the thickness of the normal cornea. Acta Ophthalmol (Copenh). 1980;58:767–772
  360. Olsen T, Eriksen JS. Corneal thickness and endothelial damage after intraocular lens implantation. Acta Ophthalmol (Copenh). 1980;58:773–786
  361. Olsen T, Nielsen CB, Ehlers N. On the optical measurement of a corneal thickness. I. Optical principle and sources of error. Acta Ophthalmol (Copenh). 1980;58:760–766
  362. Olsen T, Nielsen CB, Ehlers N. On the optical measurement of corneal thickness. II. The measuring conditions and sources of error. Acta Ophthalmol (Copenh). 1980;58:975–984
  363. Olson RJ, Kaufman HE. Intraocular pressure and corneal thickness after penetrating keratoplasty. Am J Ophthalmol. 1978;86:97–100
  364. O'Neal MR, Polse KA. Decreased endothelial pump function with aging. Invest Ophthalmol Vis Sci. 1986;27:457–463
  365. O'Neal MR, Polse KA. In vivo assessment of mechanisms controlling corneal hydration. Invest Ophthalmol Vis Sci. 1985;26:849–856
  366. O'Neal MR, Polse KA, Sarver MD. Corneal response to rigid and hydrogel lenses during eye closure. Invest Ophthalmol Vis Sci. 1984;25:837–842
  367. Orgul S, Flammer J, Stumpfig D, Hendrickson P. Intraocular pressure decrease after local ocular cooling is underestimated by applanation tonometry. Int Ophthalmol. 1995;19:95–99
  368. Oriowo OM, Chou BR, Cullen AP, Robinson BE. Occupational exposure to optical radiation and the ocular health status of glassblowers. Ophthalmic Physiol Opt. 1997;17:483–491
  369. Ota Y. Endothelial permeability to fluorescein in corneal grafts and bullous keratopathy. Jap J Ophthalmol. 1975;19:286–295
  370. Owens H, Watters GA. An evaluation of the keratoconic cornea using computerised corneal mapping and ultrasonic measurements of corneal thickness. Ophthalmic Physiol Opt. 1996;16:115–123
  371. Panek WC, Lee DA, Christensen RE. The effects of Nd:YAG laser iridotomy on the corneal endothelium. Am J Ophthalmol. 1991;111:505–507
  372. Pardos G, Krachmer J. Comparison of endothelial cell density in diabetics and a control population. Am J Ophthalmol. 1980;90:172–174
  373. Patel S. Some theoretical factors governing the accuracy of corneal-thickness measurement. Ophthalmic Physiol Opt. 1981;1:193–203
  374. Patel S, Marshall J, Fitzke FW. Shape and radius of posterior corneal surfaces. Refract Corneal Surg. 1993;9:173–181
  375. Patel S, McLaughlin JM. Effects of central corneal thickness on measurement of intra-ocular pressure in keratoconus and post-keratoplasty. Ophthal Physiol Opt. 1999;19:236–241
  376. Patel S, Stevenson RW. Clinical evaluation of a portable ultrasonic and a standard optical pachometer see comments. Optom Vis Sci. 1994;71:43–46
  377. Peplinski L, Torkelson K. Normal-tension glaucoma and central corneal thickness. Optom Vis Sci. 1999;76:596–598
  378. Perez-Santonja JJ, Bellot J, Claramonte P, et al.  Laser in situ keratomileusis to correct high myopia. J Cataract Refract Surg. 1997;23:372–385
  379. Pierro L, Brancato R, Zaganelli E. Correlation of corneal thickness with blood glucose control in diabetes mellitus. Acta Ophthalmol (Copenh). 1993;71:169–172
  380. Piquot X, Delbosc B, Herve P, et al.  Medium-term preservation of human corneas in an enriched culture medium at +37 degrees Centigrade. J Fr Ophtalmol. 1989;12:353–360
  381. Pissarello L, Saccà SC, Armini T, et al.  Variazioni pachimetriche indotte da intervento di estrazione extracapsulare della cataratta. Clin Oculist Patol Oculare. 1991;12:227–228
  382. Pole JJ, Batzer JK. Central corneal thickness of patients with dry eyes. J Am Optom Assoc. 1985;56:220–221
  383. Polse KA. Changes in corneal hydration after discontinuing contact lens wear. Am J Optom Arch Am Acad Optom. 1972;49:511–516
  384. Polse KA, Brand R, Mandell R, et al.  Age differences in corneal hydration control. Invest Ophthalmol Vis Sci. 1989;30:392–399
  385. Polse KA, Brand RJ, Cohen SR, Guillon M. Hypoxic effects on corneal morphology and function. Invest Ophthalmol Vis Sci. 1990;31:1542–1554
  386. Polse KA, Brand RJ, Vastine DW, et al.  Clinical assessment of corneal hydration control in Fuchs dystrophy. Optom Vis Sci. 1991;68:831–841
  387. Polse KA, Holden BA, Sweeney D. Corneal edema accompanying aphakic extended lens wear. Arch Ophthalmol. 1983;101:1038–1041
  388. Polse KA, Mandell RB. Hyperbaric oxygen effect on corneal edema caused by a contact lens. Am J Optom Arch Am Acad Optom. 1971;48:197–200
  389. Polse KA, Sarver MD, Harris MG. Corneal edema and vertical striae accompanying the wearing of hydrogel lenses. Am J Optom Physiol Opt. 1975;52:185–191
  390. Portellinha W, Belfort R. Central and peripheral corneal thickness in newborns. Acta Ophthalmol (Copenh). 1991;69:247–250
  391. Pullum KW, Hobley AJ, Davison C. 100 + Dk (Does thickness make much difference?). J Br Contact Lens Assoc. 1991;14:17–19
  392. Pullum KW, Hobley AJ, Parker JH. Hypoxic corneal changes following sealed gas permeable impression scleral lens wear. J Br Contact Lens Assoc. 1990;13:83–87
  393. Pullum KW, Stapleton FJ. Scleral lens induced corneal swelling (what is the effect of varying Dk and lens thickness?). CLAO J. 1997;23:259–263
  394. Purshev AF. Intraocular pressure fluctuations in the course of 24 hours when measured hourly. Vestn Oftalmol. 1979;96:16–18
  395. Rabinowitz YS, Rasheed K, Yang H, Elashoff J. Accuracy of ultrasonic pachymetry and videokeratography in detecting keratoconus. J Cataract Refract Surg. 1998;24:196–201
  396. Rao GN, Shaw EL, Arthur EJ, Aquavella JV. Endothelial cell morphology and corneal deturgescence. Ann Ophthalmol. 1979;11:885–889
  397. Ravalico G, Tognetto D, Baccara F, Lovisato A. Corneal endothelial protection by different viscoelastics during phacoemulsification. J Cataract Refract Surg. 1997;23:433–439
  398. Ravalico G, Tognetto D, Palomba M, et al.  Corneal endothelial function in diabetes (a fluorophotometric study). Ophthalmologica. 1994;208:179–184
  399. Ravalico G, Tognetto D, Palomba MA, et al.  Corneal endothelial function after extracapsular cataract extraction and phacoemulsification. J Cataract Refract Surg. 1997;23:1000–1005
  400. Reader AL, Salz JJ. Differences among ultrasound pachymeters in measuring corneal thickness. J Refract Surg. 1987;3:7–11
  401. Recupero SM, Leucci E, Fasano D, et al.  Clinical experience with extended wear rigid gas permeable contact lenses. Contactologica. 1991;13:128–130
  402. Reilly MJ, Rosenman KD, Abrams JH, et al.  Ocular effects of exposure to triethylamine in the sand core cold box of a foundry. Occup Environ Med. 1995;52:337–343
  403. Reinstein DZ, Silverman RH, Rondeau MJ, Coleman DJ. Epithelial and corneal thickness measurements by high-frequency ultrasound digital signal processing. Ophthalmology. 1994;101:140–146
  404. Reinstein DZ, Silverman RH, Trokel SL, Coleman DJ. Corneal pachymetric topography. Ophthalmology. 1994;101:432–438
  405. Remon GarijoL, Cristobal Bescos JA, et al.  Modificaciones del espessor corneal tras cirugia de la catarata. Arch Soc Esp Oftal. 1988;54:345–350
  406. Remon L, Cristobal JA, Castillo J, et al.  Central and peripheral corneal thickness in full-term newborns by ultrasonic pachymetry. Invest Ophthalmol Vis Sci. 1992;33:3080–3083
  407. Reshmi CS, Kondrot EC. Pachymetric evaluation of corneal thickness after cataract extraction and intraocular lens implant. J Am Intraocular Implant Soc. 1976;2:17–21
  408. Rivara A, Sanna G. Determinazione della velocita degli ultrasuoni nei tessuti oculari di uomo e di maiale. Ann Ottalmol. 1962;88:675–682
  409. Rivera RK, Polse KA. Corneal response to different oxygen levels during extended wear. CLAO J. 1991;17:96–101
  410. Rodrigues MM, Krachmer JH, Hackett J, et al.  Fuchs corneal dystrophy. A clinicopathologic study of the variation in corneal edema. Ophthalmology. 1986;93:789–796
  411. Rom ME, Keller WB, Meyer CJ, et al.  Relationship between corneal edema and topography. CLAO J. 1995;21:191–194
  412. Rosa N, Cennamo G, Del Prete A, et al.  Effects on the corneal endothelium six months following photorefractive keratectomy. Ophthalmologica. 1995;209:17–20
  413. Roth HW. Micropachometric investigation of rigid contact lens-induced corneal dystrophies see comments. CLAO J. 1993;19:129–132
  414. Royston JM, Dunne MC, Barnes DA. Measurement of the posterior corneal radius using slit lamp and Purkinje image techniques. Ophthalmic Physiol Opt. 1990;10:385–388
  415. Ruben M, Colebrook E, Guillon M. Keratoconus, keratoplasty thickness, and endothelial morphology. Br J Ophthalmol. 1979;63:790–793
  416. Ruiz-Montenegro J, Mafra CH, Wilson SE, et al.  Corneal topographic alterations in normal contact lens wearers. Ophthalmology. 1993;100:128–134
  417. Sabetti L, Spadea L, Furcese N, Balestrazzi E. Measurement of corneal thickness by ultrasound after photorefractive keratectomy in high myopia. Refract Corneal Surg. 1994;10(Suppl):S211–S216
  418. Saini JS, Mittal S. In vivo quantification of corneal endothelium function. Acta Ophthalmol Scand. 1996;74:468–472
  419. Saini JS, Mittal S. In vivo assessment of corneal endothelial function in diabetes mellitus. Arch Ophthalmol. 1996;114:649–653
  420. Salz JJ, Azen SP, Berstein J, et al.  Evaluation and comparison of sources of variability in the measurement of corneal thickness with ultrasonic and optical pachymeters. Ophthal Surg. 1983;14:740–751
  421. Sanders TL, Polse KA, Sarver MD, Harris MG. Central and peripheral corneal swelling accompanying the wearing of Bausch and Lomb SOFLENS contact lenses. Am J Optom Physiol Opt. 1975;52:393–397
  422. Santoni A, Iuglio N. Corneal thickness in cases of high ametropia. Ann Ottalmol Clin Ocul. 1971;97:77–81
  423. Santos VR, Waring GO 3d, Lynn MJ , et al.  Morning-to-evening change in refraction, corneal curvature, and visual acuity 2 to 4 years after radial keratotomy in the PERK Study see comments. Ophthalmology. 1988;95:1487–1493
  424. Sarver MD, Baggett DA, Harris MG, Louie K. Corneal edema with hydrogel lenses and eye closure (effect of oxygen transmissibility). Am J Optom Physiol Opt. 1981;58:386
  425. Sarver MD, Baggett DA, Harris MG, Louie K. Corneal edema with hydrogel lens and eye closure. Effects of lens thickness. Am J Optom Physiol Opt. 1980;57:363–366
  426. Sarver MD, Polse KA, Baggett DA. Intersubject difference in corneal edema response to hypoxia. Am J Optom Physiol Opt. 1983;60:128–131
  427. Sarver MD, Staroba JE. Corneal edema with contact lenses under closed-eye conditions. Am J Optom Physiol Opt. 1978;55:739–743
  428. Sato T. Studies on the endothelium of the corneal graft. Jpn J Ophthalmol. 1978;22:114–126
  429. Sawa M, Matsushita R, Tsubota K. Effect upon corneal thickness of extended soft contact lens wear in the aphakic eye. Folia Ophthalmol Jpn. 1986;37:596–601
  430. Sawa M, Tanishima T. The morphometry of the human corneal endothelium and follow-up of postoperative changes. Jpn J Ophthalmol. 1997;23:337–350
  431. Saxena S, Agrawal PK, Pratap VB, et al.  Central corneal thickness in primary angle-closure glaucoma. Afro-Asian J Ophthalmol. 1993;12:360–362
  432. Schoessler JP, Barr JT. Corneal thickness changes with extended contact lens wear. Am J Optom Physiol Opt. 1980;57:729–733
  433. Schoessler JP, Barr JT. Corneal thickness changes with extended contact lens wear. Am J Optom Physiol Opt. 1980;57:729–733
  434. Schoessler JP, Orsborn GN. A theory of corneal endothelial polymegethism and aging. Curr Eye Res. 1987;6:301–306
  435. Schultz RO, Matsuda M, Yee RW, et al.  Corneal endothelial changes in type I and type II diabetes mellitus. Am J Ophthalmol. 1984;98:401–410
  436. Seong GJ, Kim CY, Hong YJ, et al.  A study on the diurnal variation of intraocular pressure. J Korean Ophthalmol Soc. 1991;32:295–299
  437. Sergienko NM, Panfilova VV. Measurement of corneal thickness. Vestn Oftalmol. 1976;95:78–80
  438. Serle JB, Lustgarten J, Lippa EA, et al.  Six week safety study of 2% MK-927 administered twice daily to ocular hypertensive volunteers. J Ocul Pharmacol. 1992;8:1–9
  439. Serup J, Serup L. Increased central cornea thickness in localized scleroderma (morphoea). Metab Pediatr Syst Ophthalmol. 1985;8:11–14
  440. Serup L, Serup J, Hagdrup HK. Increased central cornea thickness in systemic sclerosis. Acta Ophthalmol (Copenh). 1984;62:69–74
  441. Shahinian L, Jain S, Jager RD, et al.  Dilute topical proparacaine for pain relief after photorefractive keratectomy. Ophthalmology. 1997;104:1327–1332
  442. Shapiro A, Zauberman H. Diurnal changes of the intraocular pressure of patients with angle-closure glaucoma. Br J Ophthalmol. 1979;63:225–227
  443. Shaw EL, Rao GN, Arthur EJ, Aquavella JV. The functional reserve of corneal endothelium. Ophthalmology. 1978;85:640–649
  444. Sher NA, Barak M, Daya S, et al.  Excimer laser photorefractive keratectomy in high myopia. A multicenter study. Arch Ophthalmol. 1992;110:935–943
  445. Shimazaki J, Fujishima H, Yagi Y, Tsubota K. Effects of diclofenac eye drops on corneal epithelial structure and function after small-incision cataract surgery. Ophthalmology. 1996;103:50–57
  446. Shiono T, Asano Y, Hashimoto T, Mizuno K. Temporary corneal oedema after acute intake of alcohol. Br J Ophthalmol. 1987;71:462–465
  447. Shiose Y. Intraocular pressure (new perspectives). Surv Ophthalmol. 1990;34:413–435
  448. Shiotani N, Matsuno T. Clinical study of the human cornea with the specular microscope. II. Specular microscopy of Wilson's disease. Folia Ophthalmol Jpn. 1982;33:1797–1804
  449. Siu A, Herse P. The effect of age on human corneal thickness. Statistical implications of power analysis. Acta Ophthalmol (Copenh). 1993;71:51–56
  450. Siu AW, Herse PR. The effect of age on the edema response of the central and mid-peripheral cornea. Acta Ophthalmol (Copenh). 1993;71:57–61
  451. Skaff A, Cullen AP, Doughty MJ, Fonn D. Corneal swelling and recovery following wear of thick hydrogel contact lenses in insulin-dependent diabetics. Ophthalmic Physiol Opt. 1995;15:287–297
  452. Snyder AC. Optical pachometry measurements (reliability and variability). Am J Optom Physiol Opt. 1984;61:408–413
  453. Solomon OD, Solomon J, Zucker J. Monitoring corneal physiology during extended wear. ICLC. 1988;15:83–86
  454. Soni PS. Effects of oral contraceptive steroids on the thickness of human cornea. Am J Optom Physiol Opt. 1980;57:825–834
  455. Soni PS, Borish IM. A report on central and peripheral corneal thickness. ICLC. 1979;6:196–200
  456. Sorensen T, Corydon L. Changes in central corneal thickness during permanent lens wear. Contacto. 1979;23:28–30
  457. Staarmann MT, Schoessler JP. Contact lenses and eye closure (comparative analysis using three different methods to induce corneal swelling). Optom Vis Sci. 1991;68:374–379
  458. Stapleton F, Lakshmi KR, Kumar S, et al.  Overnight corneal swelling in symptomatic and asymptomatic contact lens wearers see comments. CLAO J. 1998;24:169–174
  459. Stark WJ, Hirst LW, Snip RC, Maumenee AE. A two-year trial of intraocular lenses at the Wilmer Institute. Am J Ophthalmol. 1977;84:769–774
  460. Stave J, Slowik C, Somodi S, et al.  Keratinocyte density of the cornea in vivo. Automated measurement with a modified confocal microscopy MICROPHTHAL. Klin Monatsbl Augenheilkd. 1998;213:38–44
  461. Stefaniotou M, Kalogeropoulos C, Razis N, Psilas K. The cornea in exfoliation syndrome. Doc Ophthalmol. 1992;80:329–333
  462. Stevenson R, Vaja N, Jackson J. Corneal transparency changes resulting from osmotic stress. Ophthalmic Physiol Opt. 1983;3:33–39
  463. Stevenson RW, Kirkness CM. Corneal endothelial irregularity with long-term contact lens wear. Cornea. 1992;11:600–603
  464. Stodtmeister R. Applanation tonometry and correction according to corneal thickness. Acta Ophthalmol Scand. 1998;76:319–324
  465. Stucchi CA, Gennari G, Aimino G, et al.  Systematic error in computerized pachymetry. Ophthalmologica. 1993;207:208–214
  466. Sudesh S, Moseley MJ, Thompson JR. Accuracy of Goldmann tonometry in clinical practice. Acta Ophthalmol (Copenh). 1993;71:185–188
  467. Susanna R, Takahashi WY, Betinjane AJ. Reproducibiladad da curva tensional diária em dias consecutivos. Arq Bras Oftalmol. 1979;42:275–278
  468. Svedbergh B, Jonsson V, Afzelius B. Immotile-cilia syndrome and the cilia of the eye. Albrecht Von Graefes Arch Klin Exp Ophthalmol. 1981;215:265–272
  469. Swan PG, Brown B, Wlidsoet CF. The influence of sleep and central corneal thickness on intraocular pressure in a case of glaucoma. Practical Optom. 1990;1:112–115
  470. Swann PG, Waldron HE. Keratoconus (the clinical spectrum). J Am Optom Assoc. 1986;57:204–209
  471. Swarbrick HA, Holden BA. Ocular characteristics associated with rigid gas-permeable lens adherence. Optom Vis Sci. 1996;73:473–481
  472. Swarbrick HA, Wong G, O'Leary DJ. Corneal response to orthokeratology see comments. Optom Vis Sci. 1998;75:791–799
  473. Sweeney D, Holden BA. The closed-eye swelling response of the cornea to Polycon and Menicon O2 gas-permeable hard lenses. Austr J Optom. 1983;66:186–190
  474. Tanaka GH. Corneal pachymetry (a prerequisite for applanation tonometry? letter; comment). Arch Ophthalmol. 1998;116:544–545
  475. Terry MA, Ousley PJ. Variability in corneal thickness before, during, and after radial keratotomy see comments. J Refract Surg. 1996;12:700–704
  476. Tomlinson A. A clinical study of the central and peripheral thickness and curvature of the human cornea. Acta Ophthalmol (Copenh). 1972;50:73–82
  477. Tomlinson A, Bibby MM, Schwartz CA, Haas DD. Temporal sequence study of the factors affecting corneal edema associated with soft contact lens wear. Am J Optom Physiol Opt. 1981;58:193–199
  478. Tomlinson A, Haack C. Physiological response of the cornea to the fit of cellulose acetate butyrate contact lenses. ICLC. 1982;9:347–353
  479. Tomlinson A, Leighton DA. Ocular dimensions in low tension glaucoma compared with open-angle glaucoma and the normal. Br J Ophthalmol. 1972;56:97–105
  480. Tomlinson A, Shoup C. The effect of fit of gas-permeable hard contact lenses on corneal physiological response. J Br Contact Lens Assoc. 1981;4:121–126
  481. Tomlinson A, Soni PS. The effect of the design and fitting of soft contact lenses on corneal physiology. J Br Contact Lens Assoc. 1980;3:161–167
  482. Tuncer Z, Közer L, Sezen F. Katarakt ameliyati ve kornea kalinik degistimleri. Turk Congr Ophthalmol. 1984;19:223–227
  483. Urbak SF. Ultrasound biomicroscopy. III. Accuracy and agreement of measurements. Acta Ophthalmol Scand. 1999;77:293–297
  484. van Bijsterveld OP, Baardman J. Measurements of corneal thickness in patients with keratoconjunctivitis sicca. Klin Monatsbl Augenheilkd. 1990;197:240–243
  485. Vannas A, Holden BA, Sweeney DF, et al.  Deswelling of the graft cornea following hypoxic oedema. Acta Ophthalmol (Copenh). 1984;62:879–884
  486. Villasenor RA, Salz J, Steel D, Krasnow MA. Changes in corneal thickness during radial keratotomy. Ophthalmic Surg. 1981;12:341–342
  487. Villasenor RA, Santos VR, Cox KC, et al.  A comparison of ultrasonic corneal thickness measurements before and during surgery in the prospective evaluation of radial keratotomy (PERK) study. Ophthalmology. 1996;93:327–330
  488. Vreugdenhil W, Egginck FAGJ, Beekhuis WH. Is there an indication for fitting high Dk RGP lenses in former PMMA wearers?. Contactologica. 1992;14:133–136
  489. Vreugdenhil W, Eggink FA, Beekhuis WH, Theeuwes A. Changes in corneal thickness under four different rigid gas permeable contact lenses for daily wear. Optom Vis Sci. 1990;67:670–672
  490. Vreugdenhil W, Geerards AJM, Beekhuis WH. Comparison of changes in corneal thickness under low Dk and high Dk rigid contact lenses. J Br Contact Lens Assoc. 1996;19:113–115
  491. Wada I. Ultrasound biomicroscopic corneal thickness measurement for corneal thickness mapping. Jpn J Ophthalmol. 1997;41:12–18
  492. Waltman SR, Yarian D, Hart W, Becker B. Corneal endothelial changes with long-term topical epinephrine therapy. Arch Ophthalmol. 1977;95:1357–1358
  493. Waring GO 3rd, Casebeer JC, Dru RM: One-year results of a prospective multicenter study of the Casebeer system of refractive keratotomy. Casebeer Chiron Study Group. Ophthalmology 103:1337–47, 1996
  494. Weale RA: The Aging Eye. London, HK Lewis, 1963, p 32
  495. Weinreb RN, Lu A, Beeson C. Maternal corneal thickness during pregnancy. Am J Ophthalmol. 1988;105:258–260
  496. Weitzman ED, Henkind P, Leitman M, Hellman L. Correlative 24-hour relationships between intraocular pressure and plasma cortisol in normal subjects and patients with glaucoma. Br J Ophthalmol. 1975;59:566–572
  497. Weston BC, Bourne WM, Polse KA, Hodge DO. Corneal hydration control in diabetes mellitus. Invest Ophthalmol Vis Sci. 1995;36:586–595
  498. Wheeler NC, Morantes CM, Kristensen R, et al.  Reliability coefficients of three corneal pachymeters. Am J Ophthalmol. 1995;113:645–651
  499. Whitacre MM, Stein R. Sources of error with use of Goldmann-type tonometers. Surv Ophthalmol. 1993;38:1–30
  500. Whitacre MM, Stein RA, Hassanein K. The effect of corneal thickness on applanation tonometry. Am J Ophthalmol. 1993;115:592–596
  501. Wilkerson M, Cyrlin M, Lippa EA, et al.  Four-week safety and efficacy study of dorzolamide, a novel, active topical carbonic anhydrase inhibitor. Arch Ophthalmol. 1993;111:1343–1350
  502. Wilson G, Stevenson R. Measuring corneal recovery from osmotic and anoxic stress. Am J Optom Physiol Opt. 1981;58:797–802
  503. Wilson SE, Bourne WM, O'Brien PC, Brubaker RF. Endothelial function and aqueous humor flow rate in patients with Fuchs dystrophy. Am J Ophthalmol. 1988;106:270–278
  504. Wilson SE, Garrity JA, Bourne WM. Edema of the corneal stroma induced by cold in trigeminal neuropathy. Am J Ophthalmol. 1989;107:52–59
  505. Winther J. Central corneal thickness in patients with retinal detachment. Acta Ophthalmol (Copenh). 1982;60:945–948
  506. Wolfs RC, Klaver CC, Vingerling JR, et al.  Distribution of central corneal thickness and its association with intraocular pressure (The Rotterdam Study). Am J Ophthalmol. 1997;123:767–772
  507. Yamagami J, Araie M, Aihara M, Yamamoto S. Diurnal variation in intraocular pressure of normal-tension glaucoma eyes. Ophthalmology. 1993;100:643–650
  508. Yamamoto Y, Nakayama C, Yokoi N, et al.  Corneal thickness in keratoconus. Folia Ophthalmol Jpn. 1997;48:191–195
  509. Yamazaki Y, Miyamoto S, Sawa M. Effect of topical carbonic anhydrase inhibitor (MK-507) on intraocular pressure of normal human eyes. Nippon Ganka Gakkai Zasshi. 1994;98:293–297
  510. Yaylali V, Kaufman SC, Thompson HW. Corneal thickness measurements with the Orbscan Topography System and ultrasonic pachymetry. J Cataract Refract Surg. 1997;23:1345–1350
  511. Yebra-Pimentel E, Jesús Giraldez M, Gonzalez J, et al.  Changes in corneal thickness after daily and extended wear of hydrogel lenses (A comparison of optical and ultrasonic pachometry). ICLC. 1998;25:103–107
  512. Yee RW, Matsuda M, Schultz RO, Edelhauser HF. Changes in the normal corneal endothelial cellular pattern as a function of age. Curr Eye Res. 1985;4:671–678
  513. Yildirim E. Anterior Uveitlerde Kornea Endotelinin Spekulr Gorunumu. Turk Oftalmol Gaz. 1986;16:255–266
  514. Ytteborg J, Dohlman CH. Corneal edema and intraocular pressure. II. Clinical results. Arch Ophthalmol. 1965;74:477–484
  515. Zajácz M. Pachomatic studies following keratoplasty. Klin Monatsbl Augenheilkd. 1972;161:569–572
  516. Zajácz M. A halyogmutetek utani reversibilis cornea oedemaro. Szemeszet. 1974;111:94–99
  517. Zetterstrom C, Laurell CG. Comparison of endothelial cell loss and phacoemulsification energy during endocapsular phacoemulsification surgery. J Cataract Refract Surg. 1995;21:55–58

 The authors have no commercial or proprietary interest in any product or concept discussed in this article.

☆☆ The “white” descriptor replaced “Caucasian” as an editorial policy.

PII: S0039-6257(00)00110-7

Survey of Ophthalmology
Volume 44, Issue 5 , Pages 367-408 , March 2000