Clinical Results after EPI-LASIK for Low to Moderate Myopic Eyes with Thin Corneas

 Aziz Shaher1*, Yahya Al-Ghassaly2,

1Department of Ophthalmology, Faculty of Medicine & Health Sciences, Sana`a University 2Ophthalmic Center, Al-Thawra Modern General Hospital, Sana`a, Yemen

Introduction:

Epi-LASIK was recently described by Pallikaris et al1,2 as a surface ablation in which the epithelium is separated mechanically as a sheet with an automated device, epikeratome, and then repositioned on the photoablated corneal stroma. Unlike LASEK, in which the epithelial separation is achieved with the use of alcohol solution on the cornea, mechanical separation of the epithelial sheet, in Epi-LASIK, is not only prevents any potential toxic effects of alcohol3,4,5,6 on the separated epithelial sheet,

but also provides a rather automated surgical procedure with a short learning curve for any experienced refractive surgeon7. The preserved epithelial sheet, which remains intact morphologically at least for the first 24 postoperative hours after its replacement8, theoretically may represent a barrier that protect the photoablated corneal stroma from postoperative cascade9. As LASIK is an invasive procedure and may be associated with any microkeratome related complications (in terms of corneal biomechanics)7 and high risk for iatrogenic keratectasia10

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An Academic Biannual Refereed Journal, Published by Sana'a University

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