| Excimer Laser Photorefractive keratectonly-Multicenter Study. |
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Joon Hong Sohn, Hung Won Tchah, Yong Je Kim |
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Department of Ophthalmology, Ulsan Universith, Asan Medical Center, Korea. |
| 엑시머 레이저 굴절이상 교정술의 결과 - 다병원 연구 |
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손준홍(Joon Hong Sohn),김용제(Yong Je Kim),차흥원(Hung Won Tchah) |
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| Abstract |
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370 eyes which underwent phtorefractive keratectorny With VISX 20/20 excuner laser were evaluated. At 6 months post-op, the low myopic group(under -6D) of 172 eyes with mean pre-op refractive error of -4.48D changed to -0.54D, the moderate myopic group(between -6D and -9D) of 128 eyes changed from -7.47D to -1.19, and the hlgh myopic group(above -9D) of 70 eyes changed from -11.29D to -2.68D, 76%, 61.9%, ahd 17.4% of the respective groups were with +/-1D of emmetropia. Uncorrected vision hetter than 20/40 was achiced in 90.7%, 75.2% and 31 9% of the resperective groups. The best corrected vision below 2 lines from the best pre-op level was seen in 1.2%, 2.3%, and 4.3% of the respective groups. The astigmatic correction rate was 6.6% in the eyes under 1D of astigmatism, 36.1% in the eyes between 1D and 2D, and 54.5% in the eyes more than 2D. |
| Key Words:
Excimer laser;Myopia;Photorefractive;Keratectomy |
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