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One-year outcomes of small incision lenticule extraction (SMILE): mild to moderate myopia vs high myopia

Poster Details

First Author: S.Mun SOUTH KOREA

Co Author(s):    Y. Chung   D. Lee   B. Kim              

Abstract Details


The purpose of this study was to compare the refractive outcomes of small incision lenticule extraction (SMILE) in high myopia patients with those of mild to moderate myopia patients.


Onnuri Eye Clinic, Jeonju, korea


This study included 183 eyes of 92 myopic patients treated with SMILE using a Visumax 500-kHz femtosecond laser. Treated eyes were divided into two groups, according to the preoperative spherical equivalent (SE): mild to moderate myopia (A group, <−6.0 D) and high myopia (B group, ≥−6.0 D). Follow-up visits were at 1 day, 1 week, and 1, 3, 6, and 12 months. The outcome measures included uncorrected distance visual acuity (UDVA), best-corrected distance visual acuity (BDVA), postoperative SE, efficacy index, safety index, and predictability.


No differences were observed between −0.13 ± 0.38 D in the A group and −0.24 ± 0.35 D in the B group 12 months postoperatively (p = 0.18). The efficacy index was 1.04 ± 0.19 in the A group and 0.99 ± 0.19 in the B group. The safety index was 1.27 ± 0.17 for the A group and 1.24 ± 0.17 for the B group. The efficacy and safety index were not significantly different between the two groups 12 months postoperatively (p = 0.141 and p = 0.307, respectively).


This study showed that SMILE is effective and safe for correcting high myopia, as well as mild to moderate myopia

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