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Small incision lenticule extraction for 6 months results and predictors

Poster Details

First Author: S.Mun SOUTH KOREA

Co Author(s):    Y. Chung   J. Kim           

Abstract Details


To report our experience with small incision lenticule extraction (SMILE) for the treatment of myopia


Onnuri eye hospital, Jeonju, Korea


447 eyes of 224 patients with myopia with and without astigmatism treated with SMILE and followed for 6 months.


The mean spherical equivalent was -6.75 diopters(D) ± 1.65(SD) preoperatively and -0.21 ± 0.37D 6 months postoperatively. 97.9% were within the ±1.0 D and 86.1 % were within ±0.5D of intended correction. 97.6% obtained uncorrected distance visual acuity (UDVA) <0.10 logMar(20/25 or better snellen equivalent) at 6 month. 48.5% remained unchanged, 41% gained one line, 7.2% gained two lines of corrected distance visual acuity (CDVA), 3.3% lost one line and just 0.3% (one eye) lost two or more lines. Age was the only predictor worsening UDVA at 6 months postoperatively in multiple linear regression analyses (decrease of 0.07 logMar per increasing decade of age. P<0.05). There was no predictor showing association with error in spherical equivalent refraction at 6 months postoperatively. The smaller incision the group had, the more percentages of eyes represented a 20/20 or better UDVA on the first day postoperatively (pearson's chi-square, p<0.05).


SMILE is very effective and safe refractive surgery. Faster visual recovery is also expected by optimization of laser settings and improving surgical techniques. FINANCIAL INTEREST: NONE

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