Photorefractive keratectomy in eyes with atypical topography

Journal of Cataract and Refractive Surgery

Volumn 35, Issue 8, 2009, Pages 1437-1444

  Hardten, David R ^a   Gosavi, Vrushali V ^a  

^a UNIVERSITY OF MINNESOTA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COLLAGEN;

ARTICLE; ASTIGMATISM; CROSS LINKING; DISEASE COURSE; ECTASIA; EYE DISEASE; FALSE NEGATIVE RESULT; FALSE POSITIVE RESULT; HUMAN; KERATOCONUS; KERATOMILEUSIS; NONHUMAN; PATIENT CARE; PHOTOREFRACTIVE KERATECTOMY; POSTOPERATIVE COMPLICATION; PRIORITY JOURNAL; REFRACTIVE SURGERY; RISK ASSESSMENT; TOPOGRAPHY; VISUAL ACUITY;

CORNEAL DISEASES; CORNEAL TOPOGRAPHY; HUMANS; LASERS, EXCIMER; PHOTOREFRACTIVE KERATECTOMY; REFRACTION, OCULAR; VISUAL ACUITY;

EID: 67650721737     PISSN: 08863350     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jcrs.2009.05.006     Document Type: Article

References (113)

1. Wilson S.E., and Klyce S.D. Screening for corneal topographic abnormalities before refractive surgery. Ophthalmology 101 (1994) 147-152
2. Wilson S.E., Lin D.T.C., and Klyce S.D. Corneal topography of keratoconus. Cornea 10 (1991) 2-8
3. Naroo S.A., and Charman W.N. Changes in posterior corneal curvature after photorefractive keratectomy. J Cataract Refract Surg 26 (2000) 872-878
4. Shimmura S., Yang H.-Y., Bissen-Miyajima H., Shimazaki J., and Tsubota K. Posterior corneal protrusion after PRK. Cornea 16 (1997) 686-688
5. Parmar D., and Claoué C. Keratectasia following excimer laser photorefractive keratectomy. [letter]. Acta Ophthalmol Scand 82 (2004) 102-105
6. Jabbur N.S., Stark W.J., and Green W.R. Corneal ectasia after laser-assisted in situ keratomileusis. Arch Ophthalmol 119 (2001) 1714-1716
7. Hyojin K., Choi J.-S., and Joo C.-K. Corneal ectasia after PRK; clinicopathologic case report. Cornea 25 (2006) 845-848
8. Seiler T., and Quurke A.W. Iatrogenic keratectasia after LASIK in a case of forme fruste keratoconus. J Cataract Refract Surg 24 (1998) 1007-1009
9. McLeod S.D., Kisla T.A., Caro N.C., and McMahon T.T. Iatrogenic keratoconus: corneal ectasia following laser in situ keratomileusis for myopia. Arch Ophthalmol 118 (2000) 282-284
10. Malecaze F., Coullet J., Calvas P., Fournié P., Arné J.-L., and Brodaty C. Corneal ectasia after photorefractive keratectomy for low myopia. Ophthalmology 113 (2006) 742-746
11. Holland S.P., Srivannaboon S., and Reinstein D.Z. Avoiding serious corneal complications of laser assisted in situ keratomileusis and photorefractive keratectomy. Ophthalmology 107 (2000) 640-652
12. Pallikaris I.G., Kymionis G.D., and Astyrakakis N.I. Corneal ectasia induced by laser in situ keratomileusis. J Cataract Refract Surg 27 (2001) 1796-1802
13. Randleman J.B., Russell B., Ward M.A., Thompson K.P., and Stulting R.D. Risk factors and prognosis for corneal ectasia after LASIK. Ophthalmology 110 (2003) 267-275
14. Randleman J.B., Woodward M., Lynn M.J., and Stulting R.D. Risk assessment for ectasia after corneal refractive surgery. Ophthalmology 115 (2008) 37-50
15. Randleman J.B., Trattler W.B., and Stulting R.D. Validation of the ectasia risk score system for preoperative laser in situ keratomileusis screening. Am J Ophthalmol 145 (2008) 813-818
16. Andreassen T.T., Simonsen A.H., and Oxlund H. Biomechanical properties of keratoconus and normal corneas. Exp Eye Res 31 (1980) 435-441
17. Krachmer J.H., Feder R.S., and Belin M.W. Keratoconus and related noninflammatory corneal thinning disorders. Surv Ophthalmol 28 (1984) 293-322
18. Rabinowitz Y.S. Keratoconus. Surv Ophthalmol 42 (1998) 297-319
19. Rabinowitz Y.S., Nesburn A.B., and McDonnell P.J. Videokeratography of the fellow eye in unilateral keratoconus. Ophthalmology 100 (1993) 181-186
20. Rabinowitz Y.S. The genetics of keratoconus. Ophthalmol Clin North Am 16 4 (2003) 607-620
21. Matthews F.J., Cook S.D., Majid M.A., Dick A.D., and Smith V.A. Changes in the balance of the tissue inhibitor of matrix metalloproteinases (TIMPs)-1 and -3 may promote keratocyte apoptosis in keratoconus. Exp Eye Res 84 (2007) 1125-1134
22. Meek K.M., Tuft S.J., Huang Y., Gill P.S., Hayes S., Newton R.H., and Bron A.J. Changes in collagen orientation and distribution in keratoconus corneas. Invest Ophthalmol Vis Sci 46 (2005) 1948-1956. http://www.iovs.org/cgi/reprint/46/6/1948 Available atAccessed April 30, 2009
23. Hayes S., Boote C., Tuft S.J., Quantock A.J., and Meek K.M. A study of corneal thickness, shape and collagen organisation in keratoconus using videokeratopgraphy and X-ray scattering techniques. Exp Eye Res 84 (2007) 423-434
24. Waring III G.O. Nomenclature for keratoconus suspects. [opinion]. Refract Corneal Surg 9 (1993) 219-222
25. Rabinowitz Y.S. Keratoconus, videokeratography, and refractive surgery. [opinions]. Refract Corneal Surg 8 (1992) 403-407
26. Burns D.M., Johnston F.M., Frazer D.G., Patterson C., and Jackson A.J. Keratoconus: an analysis of corneal asymmetry. Br J Ophthalmol 88 (2004) 1252-1255
27. Abad J.C., Rubinfeld R.S., DelValle M., Belin M.W., and Kurstin J.W. Vertical D; a novel topographic pattern in some keratoconus suspects. Ophthalmology 114 (2007) 1020-1026
28. Alió J.L., and Shabayek M.H. Corneal higher order aberrations: a method to grade keratoconus. J Refract Surg 22 (2006) 539-545
29. Twa M.D., Parthasarathy S., Roberts C., Mahmood A.M., Raasch T.W., and Bullimore M.A. Automated decision tree classification of corneal shape. Optom Vis Sci 82 (2005) 1038-1046
30. Arntz A., Durán J.A., and Pijoán J.I. Diagnóstico del queratocono subclínico por topografía de elevación. [Subclinical keratoconus diagnosis by elevation topography]. Arch Soc Esp Oftalmol 78 (2003) 659-664
31. de Sanctis U., Loiacono C., Richiardi L., Turco D., Mutani B., and Grignolo F.M. Sensitivity and specificity of posterior corneal elevation measured by Pentacam in discriminating keratoconus/subclinical keratoconus. Ophthalmology 115 (2008) 1534-1539
32. Kaya V., Utine C.A., Altunsoy M., Oral D., and Yilmaz O.F. Evaluation of corneal topography with Orbscan II in first-degree relatives of patients with keratoconus. Cornea 27 (2008) 531-534
33. Gobbe M., and Guillon M. Corneal wavefront aberration measurements to detect keratoconus patients. Contact Lens Anterior Eye 28 (2005) 57-66
34. Bühren J., Kühne C., and Kohnen T. Defining subclinical keratoconus using corneal first-surface higher-order aberrations. Am J Ophthalmol 143 (2007) 381-389
35. Jafri B., Li X., Yang H., and Rabinowitz Y.S. Higher order wavefront aberrations and topography in early and suspected keratoconus. J Refract Surg 23 (2007) 774-781
36. Hori Y., Nishida K., Suzaki A., Hirohara Y., Mihashi T., Fujikado T., and Tano Y. Magnitude and orientation of Zernike terms in patients with keratoconus. Invest Ophthalmol Vis Sci 48 (2007) 3062-3068. http://www.iovs.org/cgi/reprint/48/7/3062 Available atAccessed April 30, 2009
37. Lim L., Wei R.H., Chan W.K., and Tan D.T.H. Evaluation of higher order ocular aberrations in patients with keratoconus. J Refract Surg 23 (2007) 825-828
38. Lema I., Romero P., Mato J.L., and Feijóo E.D. Corneal descriptive indices in the fellow eye of unilateral keratoconus. Eye Contact Lens 35 (2009) 65-68
39. Ambrósio Jr. R., Klyce S.D., and Wilson S. Corneal topographic and pachymetric screening of keratorefractive patients. J Refract Surg 19 (2003) 24-29
40. Quisling S., Sjoberg S., Zimmerman B., Goins K., and Sutphin J. Comparison of Pentacam and Orbscan IIz on posterior curvature topography measurements in keratoconus eyes. Ophthalmology 113 (2006) 1629-1632
41. Maeda N., Klyce S.D., Smolek M.K., and Thompson H.W. Automated keratoconus screening with corneal topography analysis. Invest Ophthalmol Vis Sci 35 (1994) 2749-2757. http://www.iovs.org/cgi/reprint/35/6/2749.pdf Available atAccessed April 30, 2009
42. Smolek M.K., and Klyce S.D. Current keratoconus detection methods compared with a neural network approach. Invest Ophthalmol Vis Sci 38 (1997) 2290-2299. http://www.iovs.org/cgi/reprint/38/11/2290 Available atAccessed April 30, 2009
43. Rabinowitz Y.S., and Rasheed K. KISA% index: a quantitative videokeratography algorithm embodying minimal topographic criteria for diagnosing keratoconus. J Cataract Refract Surg 25 (1999) 1327-1335 errata 2000; 26:480
44. Sonmez B., Doan M.-P., and Hamilton D.R. Identification of scanning slit-beam topographic parameters important in distinguishing normal from keratoconic corneal morphologic features. Am J Ophthalmol 143 (2007) 401-408
45. Bogan S.J., Waring III G.O., Ibrahim O., Drews C., and Curtis L. Classification of normal corneal topography based on computer-assisted videokeratography. Arch Ophthalmol 108 (1990) 945-949
46. Li Y., Meisler D.M., Tang M., Lu A.T.H., Thakrar V., Reiser B.J., and Huang D. Keratoconus diagnosis with optical coherence tomography pachymetry mapping. Ophthalmology 115 (2008) 2159-2166
47. Uçakhan O.O., Gesoǧlu P., Özkan M., and Kanpolat A. Corneal elevation and thickness in relation to the refractive status measured with the Pentacam Scheimpflug system. J Cataract Refract Surg 34 (2008) 1900-1905
48. Reinstein D.Z., Archer T.J., Gobbe M., Silverman R.H., and Coleman D.J. Epithelial thickness in the normal cornea: three-dimensional display with Artemis very high-frequency digital ultrasound. J Refract Surg 24 (2008) 571-581
49. Alpins N., and Stamatelatos G. Customized photoastigmatic refractive keratectomy using combined topographic and refractive data for myopia and astigmatism in eyes with forme fruste and mild keratoconus. J Cataract Refract Surg 33 (2007) 591-602
50. Mortensen J., and Öhrström A. Excimer laser photorefractive keratectomy for treatment of keratoconus. J Refract Corneal Surg 10 (1994) 368-372
51. Buzard K.A., and Fundingsland B.R. Treatment of irregular astigmatism with a broad beam excimer laser. J Cataract Refract Surg 13 (1997) 624-636
52. Bahar I., Levinger S., and Kremer I. Wavefront-supported photorefractive keratectomy with the Bausch & Lomb Zyoptix in patients with myopic astigmatism and suspected keratoconus. J Refract Surg 22 (2006) 533-538
53. Rezende R.A., Uchoa U.C., Cohen E.J., Laibson P.R., and Rapuano C.J. Complications associated with anterior basement membrane dystrophy after laser in situ keratomileusis. J Cataract Refract Surg 30 (2004) 2328-2331
54. Kenyon K.R., Paz H., Greiner J.V., and Gipson I.K. Corneal epithelial adhesion abnormalities associated with LASIK. Ophthalmology 111 (2004) 11-17
55. Oliva M.S., Ambrósio Jr. R., and Wilson S.E. Influence of intraoperative epithelial defects on outcomes in LASIK for myopia. Am J Ophthalmol 137 (2004) 244-249
56. Tekwani N.H., and Huang D. Risk factors for intraoperative epithelial defect in laser in-situ keratomileusis. Am J Ophthalmol 134 (2002) 311-316
57. Pérez-Santonja J.J., Galel A., Cardona C., Artola A., Ruíz-Moreno J.M., and Alió J.L. Severe corneal epithelial sloughing during laser in situ keratomileusis as a presenting sign for silent epithelial basement membrane dystrophy. J Cataract Refract Surg 31 (2005) 1932-1937
58. Tseng S.S.-Y., Hsiao J.C.-J., and Chang D.C.-K. Mistaken diagnosis of keratoconus because of corneal warpage induced by hydrogel lens wear. Cornea 26 (2007) 1153-1155
59. Wilson S.E., Lin D.T.C., Klyce S.D., Reidy J.J., and Insler M.S. Topographic changes in contact lens-induced corneal warpage. Ophthalmology 97 (1990) 734-744
60. Binder P.S. Risk factors for ectasia after LASIK. [letter]. J Cataract Refract Surg 34 (2008) 2010-2011
61. Amoils S.P., Deist M.B., Gous P., and Amoils P.M. Iatrogenic keratectasia after laser in situ keratomileusis for less than -4.0 to -7.0 diopters of myopia. J Cataract Refract Surg 26 (2000) 967-977
62. Fogla R., Rao S.K., and Padmanabhan P. Keratectasia in 2 cases with pellucid marginal corneal degeneration after laser in situ keratomileusis. J Cataract Refract Surg 29 (2003) 788-791
63. Li X., Rabinowitz Y.S., Rasheed K., and Yang H. Longitudinal study of the normal eyes in unilateral keratoconus patients. Ophthalmology 111 (2004) 440-446
64. Mortensen J., Carlsson K., and Öhrström A. Excimer laser surgery for keratoconus. J Cataract Refract Surg 24 (1998) 893-898
65. Netto M.V., and Wilson S.E. Indications for excimer laser surface ablation. J Refract Surg 21 (2005) 734-741
66. Duffey R.J., Hardten D.R., Lindstrom R.L., Probst L.E., Schanzlin D.J., Tate G.W., and Wexler S.A. Ectasia after refractive surgery. [letter]. Ophthalmology 2008 (1849) 115
67. Randleman J.B., and Stulting R.D. Reply to letter by RJ Duffey, DR Hardten, RL Lindstrom, LE Probst, DJ Shanzlin, GW Tate, SA Wexler. Ectasia after refractive surgery. Ophthalmology 115 (2008) 1849-1850
68. Binder P.S., Lindstrom R.L., Stulting R.D., Donnenfeld E., Wu H., McDonnell P., and Rabinowitz Y. Keratoconus and corneal ectasia after LASIK. J Refract Surg 21 (2005) 749-752
69. Binder P.S., Lindstrom R.L., and Stulting R.D. Keratoconus and corneal ectasia after LASIK. [letter]. J Cataract Refract Surg 31 (2005) 2035-2037 reply by E Donnenfeld, H Wu, P McDonnell, Y Rabinowitz, 2037-2038
70. Twa M.D., Nichols J.J., Joslin C.E., Kollbaum P.S., Edrington T.B., Bullimore M.A., Mitchell G.L., Cruickshanks K.J., and Schanzlin D.J. Characteristics of corneal ectasia after LASIK for myopia. Cornea 23 (2004) 447-457
71. Woodward M.A., Randleman J.B., Russel B., Lynn M.J., Ward M.A., and Stulting R.D. Visual rehabilitation and outcomes for ectasia after corneal refractive surgery. J Cataract Refract Surg 34 (2008) 383-388
72. Seiler T., Koufala K., and Richter G. Iatrogenic keratectasia after laser in situ keratomileusis. J Refract Surg 14 (1998) 312-317
73. Ou R.J., Shaw E.L., and Glasgow B.J. Keratectasia after laser in situ keratomileusis (LASIK): evaluation of the calculated residual stromal bed thickness. Am J Ophthalmol 134 (2002) 771-773
74. Lovisolo C.F., and Fleming J.F. Intracorneal ring segments for iatrogenic keratectasia after laser in situ keratomileusis or photorefractive keratectomy. J Refract Surg 18 (2002) 535-541
75. O'Donnell C., Welham L., and Doyle S. Contact lens management of keratectasia after laser in situ keratomileusis for myopia. Eye Contact Lens 30 (2004) 144-146
76. Siganos C.S., Kymionis G.D., Astyrakakis N., and Pallikaris I.G. Management of corneal ectasia after laser in situ keratomileusis with INTACS. J Refract Surg 18 (2002) 43-46
77. Kymionis G.D., Siganos C.S., Kounis G., Astyrakakis N., Kalyvianaki M.I., and Pallikaris I.G. Management of post-LASIK corneal ectasia with Intacs inserts; one-year results. Arch Ophthalmol 121 (2003) 322-326
78. Sharma M., and BoxerWachler B.S. Comparison of single-segment and double-segment Intacs for keratoconus and post-LASIK ectasia. Am J Ophthalmol 141 (2006) 891-895
79. Jaycock P.D., Lobo L., Ibrahim J., Tyrer J., and Marshall J. Interferometric technique to measure biomechanical changes in the cornea induced by refractive surgery. J Cataract Refract Surg 31 (2005) 175-184
80. Schmack I., Dawson D.G., McCarey B.E., Waring III G.O., Grossniklaus H.E., and Edelhauser H.F. Cohesive tensile strength of human LASIK wounds with histologic, ultrastructural, and clinical correlations. J Refract Surg 21 (2005) 433-445
81. Gatinel D., Chaabouni S., Adam P.-A., Munck J., Puech M., and Hoang-Xuan T. Corneal hysteresis, resistance factor, topography, and pachymetry after corneal lamellar flap. J Refract Surg 23 (2007) 76-84
82. Pepose J.S., Feigenbaum S.K., Qazi M.A., Sanderson J.P., and Roberts C.J. Changes in corneal biomechanics and intraocular pressure following LASIK using static, dynamic, and noncontact tonometry. Am J Ophthalmol 143 (2007) 39-47
83. Hamilton D.R., Johnson R.D., Lee N., and Bourla N. Differences in the corneal biomechanical effects of surface ablation compared with laser in situ keratomileusis using a microkeratome or femtosecond laser. J Cataract Refract Surg 34 (2008) 2049-2056
84. Salz J.J., and Binder P.S. Is there a "magic number" to reduce the risk of ectasia after laser in situ keratomileusis and photorefractive keratectomy?. Am J Ophthalmol 144 (2007) 284-285
85. Binder P.S. Analysis of ectasia after laser in situ keratomileusis: risk factors. J Cataract Refract Surg 33 (2007) 1530-1538
86. Gosavi V.V., and Hardten D.R. A Retrospective Study of Results After LASIK in Eyes with Normal and Atypical Topography [thesis] (2005), University of Minnesota, Minneapolis
87. Randleman J.B., Caster A.I., Banning C.S., and Stulting R.D. Corneal ectasia after photorefractive keratectomy. J Cataract Refract Surg 32 (2006) 1395-1398
88. Coullet J., and Malecaze F. Reply to letter by JB Randleman, RD Stulting. Ectasia after photorefractive keratectomy. Ophthalmology 114 (2007) 396-397
89. Bilgihan K., Özdek S.C., Konuk O., Konuk O., Akata F., and Hasanreisoglu B. Results of photorefractive keratectomy in keratoconus suspects at 4 years. J Refract Surg 16 (2000) 438-443
90. Kasparova E.A., and Kasparov A.A. Six-year experience with excimer laser surgery for primary keratoconus in Russia. J Refract Surg 19 (2003) S250-S254
91. Rao S.K., Srinivasan B., Sitalakshmi G., and Padmanabhan P. Photorefractive keratectomy versus laser in situ keratomileusis to prevent keratectasia after corneal ablation. J Cataract Refract Surg 30 (2004) 2623-2628
92. Koller T., Iseli H.P., Donitzky C., Ing D., Papadopoulos N., and Seiler T. Topography-guided surface ablation for forme fruste keratoconus. Ophthalmology 113 (2006) 2198-2202
93. Cennamo G., Intravaja A., Boccuzzi D., Marotta G., and Cennamo G. Treatment of keratoconus by topography guided customized photorefractive keratectomy: two-year follow-up study. J Refract Surg 24 (2008) 145-149
94. Kanellopoulos A.J., and Binder P.S. Collagen cross-linking (CCL) with sequential topography-guided PRK; a temporizing alternative for keratoconus to penetrating keratoplasty. Cornea 26 (2007) 891-895
95. Sun R., Gimbel H.V., and Kaye G.B. Photorefractive keratectomy in keratoconus suspects. J Cataract Refract Surg 25 (1999) 1461-1466
96. Kremer I., Shochot Y., Kaplan A., and Blumenthal M. Three year results of photoastigmatic refractive keratectomy for mild and atypical keratoconus. J Cataract Refract Surg 24 (1998) 1581-1588
97. Ward M.A. Visual rehabilitation with contact lenses after laser in situ keratomileusis. J Refract Surg 17 (2001) 433-440
98. Ward M.A. Contact lens management following corneal refractive surgery. Ophthalmol Clin North Am 16 3 (2003) 395-403
99. Choi H.-J., Kim M.-K., and Lee J.-L. Optimization of contact lens fitting in keratectasia patients after laser in situ keratomileusis. J Cataract Refract Surg 30 (2004) 1057-1066
100. Alió J.L., Salem T.F., Artola A., and Osman A.A. Intracorneal rings to correct corneal ectasia after laser in situ keratomileusis. J Cataract Refract Surg 28 (2002) 1568-1574
101. El-Raggal T.M., and Fattah A.A.A. Sequential intacs and Verisyse phakic intraocular lens for refractive improvement in keratoconic eyes. J Cataract Refract Surg 33 (2007) 966-970
102. Wollensak G., Spoerl E., and Seiler T. Riboflavin/ultraviolet-A-induced collagen crosslinking for the treatment of keratoconus. Am J Ophthalmol 135 (2003) 620-627
103. Hafezi F., Kanellopoulos J., Wiltfang R., and Seiler T. Corneal collagen crosslinking with riboflavin and ultraviolet A to treat induced keratectasia after laser in situ keratomileusis. J Cataract Refract Surg 33 (2007) 2035-2040
104. Kohlhaas M., Spoerl E., Speck A., Schilde T., Sandner D., and Pillunat L.E. Eine neue Behandlung der Keratektasie nach LASIK durch Kollagenvernetzung mit Riboflavin/UVA-Licht. [A new treatment of keratectasia after LASIK by using collagen with riboflavin/UVA light cross-linking.]. Klin Monatsbl Augenheilkd 222 (2005) 430-436
105. Pramanik S., Musch D.C., Sutphin J.E., and Farjo A.A. Extended long-term outcomes of penetrating keratoplasty for keratoconus. Ophthalmology 113 (2006) 1633-1638
106. Javadi M.A., Motlagh B.F., Jafarinasab M.R., Rabbanikhah Z., Anissian A., Souri H., and Yazdani S. Outcomes of penetrating keratoplasty in keratoconus. Cornea 24 (2005) 941-946
107. Thompson Jr. R.W., Price M.O., Bowers P.J., and Price Jr. F.W. Long-term graft survival after penetrating keratoplasty. Ophthalmology 110 (2003) 1396-1402
108. Fogla R., and Padmanabhan P. Results of deep lamellar keratoplasty using the big-bubble technique in patients with keratoconus. Am J Ophthalmol 141 (2006) 254-259
109. Fontana L., Parente G., and Tassinari G. Clinical outcomes after deep anterior lamellar keratoplasty using the big-bubble technique in patients with keratoconus. Am J Ophthalmol 143 (2007) 117-124
110. Amoils P. Corneal ectasia after photorefractive keratectomy. [letter]. J Cataract Refract Surg 33 (2007) 941-942 reply by JB Randleman, AI Caster, CS Banning, RD Stulting, 942
111. Wollensak G., Wilsch M., Spoerl E., and Seiler T. Collagen fiber diameter in the rabbit cornea after collagen crosslinking by riboflavin/UVA. Cornea 23 (2004) 503-507
112. de Benito-Llopis L., Alió J.L., Ortiz D., Teus M.A., and Artola A. Ten-year follow-up of excimer laser surface ablation for myopia in thin corneas. Am J Ophthalmol 147 (2009) 768-773
113. Kymionis G.D., Bouzoukis D., Diakonis V., Tsiklis N., Gkenos E., Pallikaris A.I., Giaconi J.A., and Yoo S.H. Long-term results of thin corneas after refractive laser surgery. Am J Ophthalmol 144 (2007) 181-185