Small-Incision Lenticule Extraction Versus Femto-LASIK: Posterior Corneal Topographic Changes

Garcia, Guillermo

Small-Incision Lenticule Extraction Versus Femto-LASIK: Posterior Corneal Topographic Changes

Monday, April 28, 2014: 8:31 AM

Room 151A (Boston Convention and Exhibition Center)

Guillermo Garcia, MD, Conde de Valenciana, Mexico City, DF., Mexico

Arturo J. Ramirez-Miranda, MD, Instituto de Oftalmologia Conde de Valenciana, Mexico City, Mexico

Enrique O. Graue-Hernandez, MD, Instituto de Oftalmologia. Fundacion Conde de Valenciana, Mexico City, Mexico

Alejandro Navas, MD, MSc, Institute of Ophthalmology Conde de Valenciana, Mexico City, Mexico

Angie De La Mota, MD, Instituto de Oftalmologia Conde de Valenciana, Mexico, Mexico

Narrative Responses:

Purpose
Purpose: To compare posterior float (PF) measurements before and after SMILE and F-LASIK using a Scheimpflug camera with a Placido disc topographer (SIRIUS)

Methods
Methods: Prospective, randomized, eye-to-eye study. 42 eyes of 21 patients were randomized to receive SMILE or F-LASIK. Posterior corneal elevation obtained with SIRIUS was measured preop and 1 day, 1 week, 1-3-6 months postop.

Results
Results: At day 1 PF measured was not statistically significant (P>0.58) however over time, logistic regression at further follow up visits showed that the difference in PF was statically significant (p < 0.01)

Conclusion
Conclusion_: There is a greater statistically significant change in the posterior corneal elevation in eyes operated with SMILE than in those of F-LASIK.