Cataract Surgery Preparation In RGP Contact Lens User

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Corneal Warpage

Differentiating corneal warpage from keratoconus

Preparing patients who use RGPs for cataract surgery

Table 1: Time to refractive stability with rigid contact lens use

Table 2: Time to refractive stability with soft contact lens use

References: 1) Hartstein, J. Corneal warping due to wearing of corneal contact lenses. A report of 12 cases. American journal of ophthalmology. 1965;60(6):1103-1104. 2) Levenson, D.S. Changes in corneal curvature with long-term PMMA contact lens wear. Eye & Contact Lens. 1983;9(2):121-125. 3) Asbell, P.A., & Wasserman, D. Contact Lens–Induced Corneal Warpage. International ophthalmology clinics. 1991;31(2):121-126. 4) Levenson, D.S., & Berry, C.V. Findings on follow-up of corneal warpage patients. Eye & Contact Lens. 1983:9(2):126-129. 5) Wilson, S.E., Lin, D.T., Klyce, S.D., Reidy, J.J., & Insler, M.S. Topographic changes in contact lens-induced corneal warpage. Ophthalmology. 1990;97(6):734-744. 6) Mannis, M.J., & Holland, E.J. Cornea. 5th Edition. New York, NY: Elsevier Health Sciences; 2021. 7) Tang, M., Li, Y., Chamberlain, W., Louie, D.J., Schallhorn, J.M., & Huang, D. Differentiating keratoconus and corneal warpage by analyzing focal change patterns in corneal topography, pachymetry, and epithelial thickness maps. Investigative ophthalmology & visual science. 2016; 57(9):OCT544-OCT549. 8) Basic and Clinical Science Course, Book 13 Refractive Surgery. American Academy of Ophthalmology; 2020. 9) Wang, X., McCulley, J.P., Bowman, R.W., & Cavanagh, H.D. Time to resolution of contact lens-induced corneal warpage prior to refractive surgery. Eye & Contact Lens. 2002;28(4):169-171. 10) Tsai, P.S., Dowidar, A., Naseri, A., & McLeod, S.D. (2004). Predicting time to refractive stability after discontinuation of rigid contact lens wear before refractive surgery. Journal of Cataract & Refractive Surgery. 2004;30(11):2290-2294. 11) Budak K., Hamed A.M., Friedman N.J., Koch D.D. Preoperative screening of contact lens wearers before refractive surgery. Journal of Cataract Refractive Surgery. 1999;25(8):1080-6. 12) Pannu, J.S., Mutyala, S, Pannu, D. When to Perform LASIK in Contact Lens Wearers, Journal of Cataract & Refractive Surgery. 2000;26(3):311-312. 13) Hashemi H., Firoozabadi M.R., Mehravaran S., Gorouhi F. Corneal stability after discontinued soft contact lens wear. Contact Lens & Anterior Eye. 2008;31(3):122-125. 14) Rayess Y., Arej N., Abdel Massih Y., Antoun J., Waked N. Influence of soft contact lens material on corneal warpage: prevalence and time to resolution. Canadian Journal of Ophthalmology. 2018;53(2):135-138. 15) Lloyd McKernan A., O'Dwyer V., Simo Mannion L. The influence of soft contact lens wear and two weeks cessation of lens wear on corneal curvature. Contact Lens & Anterior Eye. 2014;37(1):31-37. 16) Ng L.T., Lee, E.M., Nguyen, A.L. Preoperative Assessment of Corneal and Refractive Stability in Soft Contact Lens Wearing Photorefractive Candidates, Optometry and Vision Science. 2007;84(5):401-409.

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