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Paper Information

Journal:   BINA   Spring 2003 , Volume 8 , Number 3 (31); Page(s) 222 To 226.
 
Paper: 

SAFETY OF LASIK IN MYOPIA AND MYOPIC ASTIGMATISM

 
 
Author(s):  GHOREYSHI M., AKBARI-BAGHBANI M.R., RISMANCHIAN A.
 
* 
 
Abstract: 

Purpose: To determine the safety of LASIK according to decreased BSCVA in myopia and myopic astigmatism.
Methods: In this pre and post non-randomized clinical trial, 736 eyes from 369 patient who had LASIK surgery for myopia and myopic astigmatism were evaluated. Mean pre and postoperation visual acuity were measured based on Snellen and Log MAR systems.
Results: This study included 62.6% female and 37.4% male patients with a mean age of 30
±8 years. Follow up period was 9 months. Preoperative spherical equivalent was -5.2±2.6 diopters. Nine months after surgery this value decreased to -0.28±0.62 diopters. Nine months after operation, 83.7% of the eyes were within ±0.50 diopter of emmetropia. Uncorrected visual acuity was 20/20 or more in 55.8% and 20/40 or more in 97.8% of the eyes. Mean BSCVA before operation was 0.052±0.095and 9 months after operation increased to 0.034±0.069 (P<0.001). Nine months after operation, BSCVA decreased 2 lines in two eyes, 3 lines in one eye, and 4 lines in another eye. Overall the incidence of decreased BSCVA was 0.5%.
Conclusion: Regarding decreased BSCVA, LASIK is a safe procedure for myopia and myopic astigmatism.

 
Keyword(s): BEST SPECTACLE CORRECTED VISUAL ACUITY (BSCVA), LASER IN SITU KERATOMILEUSIS (LASIK)
 
References: 
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