Journal of the Korean Ophthalmological Society 2003;44(6):1297-1304.
Published online June 1, 2003.
Laser in Situ Keratomileusis Versus Laser Epithelial Keratomileusis for Low to Moderate Myopia.
Bo Young Jun, Hee Tae Cho
Department of Ophthalmology, Kyungpook National University, College of Medicine, Korea. htcho@knu.ac.kr
경도 및 중등도 근시환자에게서 시행한 레이저각막절삭가공성형술과 레이저각막상피절삭가공성형술의 비교
전보영 ( Bo Young Jun ) , 조희태 ( Hee Tae Cho )
Abstract
PURPOSE
To compare the efficacy, predictability, safety, and stability of Laser epithelial keratomileusis (LASEK) with conventional Laser in situ keratomileusis (LASIK) for correction of low to moderate myopia. METHODS: In this study, LASIK-treated 31 eyes of 17 patients and LASEK-treated 33 eyes of 17 patients were followed for 6 months. Uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), manifest refraction, IOP, topography, keratometry, pachymetry and specular examination were performed. RESULTS: Postoperative mean UCVA was logMAR 0.02+/-0.09 in LASIK group and logMAR 0.01+/-0.09 in LASEK group. Postoperative mean refraction was 0.04+/-0.36D in LASIK group and 0.07+/-0.28D in LASEK group and there was no significant difference between 2 groups (P>0.05). 71.0%(22 of 31) of LASIK eyes and 81.8%(27 of 33) of LASEK eyes had an uncorrected visual acuity of 20/20 or better at 6 months after surgery. 87.1%(27 of 31) of LASIK eyes and 97.0%(32 of 33) of LASEK eyes achieved predictability within +/-0.5D at 6 months follow up. There was no decrease in best-corrected visual acuity of two Snellen lines or more in both groups. CONCLUSIONS: In this study, there was no difference in postoperative mean UCVA and mean refraction in LASIK and LASEK group. However, LASEK group had better results in UCVA of more than 20/20 and predictability but there was no significant difference between 2 groups.
Key Words: LASEK;LASIK;Low to moderate myopia


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