J Korean Ophthalmol Soc > Volume 54(1); 2013 > Article
Journal of the Korean Ophthalmological Society 2013;54(1):33-37.
DOI: https://doi.org/10.3341/jkos.2013.54.1.33    Published online January 15, 2013.
Corneal Endothelial Changes after Laser-Assisted Subepithelial Keratomileusis.
Youn Hea Jung, Sung Kun Chung
Department of Ophthalmology and Visual Science, The Catholic University of Korea College of Medicine, Seoul, Korea. eyedoc@catholic.ac.kr
라섹 후 각막내피세포의 변화
정윤혜⋅정성근
Department of Ophthalmology and Visual Science, The Catholic University of Korea College of Medicine, Seoul, Korea
Abstract
PURPOSE
In order to investigate the safety of laser-assisted subepithelial keratomileusis (LASEK), corneal endothelial cells before and after the LASEK procedure were evaluated. METHODS: Thirty-six patients (72 eyes) who underwent LASEK between June 2010 and May 2011 were included in the present study. Parameters included corneal endothelial cell density (CD), coefficient of variation of the cell area (CV), and percentage of hexagonal cells (6A) which were all obtained by a specular microscope (Noncon ROBO sp 8000, Konan, Japan) before and 3, 6, and 12 months after LASEK. RESULTS: Preoperative CD was 2952 +/- 352 cells/mm2, and postoperative CD did not significantly change at 3, 6, and 12 months. Preoperative CV and 6A and postoperative CV and 6A at 12 months were not significantly different. Furthermore, correlation between change in corneal endothelial cell and degree of myopia correction was not statistically significant. CONCLUSIONS: LASEK appears to be a safe procedure for corneal endothelial cells over an extended period.
Key Words: Corneal Endothelium;LASEK;Specular Microscopy


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