J Korean Ophthalmol Soc > Volume 53(10); 2012 > Article
Journal of the Korean Ophthalmological Society 2012;53(10):1438-1444.
DOI: https://doi.org/10.3341/jkos.2012.53.10.1438    Published online October 15, 2012.
Eight-Year Follow-up of Laser Epithelial Keratomileusis for Correcting Moderate and High Myopia.
Byung Ju Jung, Tae Hoon Oh, Sung Kun Chung
Department of Ophthalmology and Visual Science, College of Medicine, The Catholic University of Korea, Seoul, Korea. eyedoc@catholic.ac.kr
중등도 및 고도 근시에서 라섹을 이용한 굴절교정수술 후 8년간의 임상성적
정병주⋅오태훈⋅정성근
Department of Ophthalmology and Visual Science, College of Medicine, The Catholic University of Korea, Seoul, Korea
Abstract
PURPOSE
To evaluate the long-term prognosis and complications of laser epithelial keratomileusis (LASEK). METHODS: A retrospective study including 92 eyes of 46 myopic patients treated with LASEK from November 1999 to February 2003 was performed. Follow-up visits were at 3 months, 6 months, 1 year, and 8 years. Treated eyes were divided into 2 groups according to preoperative spherical equivalent (SE) : low and medium myopia (<-6.0 D), and high myopia (>-6.0 D). The main outcome measures were UCVA, BCVA, postoperative SE, efficacy index, safety index, predictability, and postoperative complications. RESULTS: Preoperative visual acuity was 1.24 +/- 0.42 log MAR, and the average of SE was -5.28 +/- 1.63 D. Postoperative visual acuity log MAR was significantly improved compared to preoperative visual acuity, and the average of visual acuity was 0.12 +/- 0.13 log MAR. The percentage of eyes within +/- 1.0 D of emmetropia 8 years after having LASEK was 69.5% in the mild and moderate myopia group, and 63.6% in the high myopia group. There was no significant difference of safety index, efficacy index or complications between the 2 groups at 1 month, 3 months, 1 year, and 8 years. Safety index was maintained over 0.9 and efficacy index was larger than 0.8. There were no other complications during the observation period. CONCLUSIONS: An 8-year follow-up showed LASEK for mild to moderate and high myopia to be a safe and effective procedure.
Key Words: LASEK;Long-term follow-up;Myopia


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