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Lee, Jung, Chu, Lee, and Kim: Analysis of the factors affecting decentration in photorefractive keratectomy and laser in situ keratomileusis for myopia
Original Article
Yonsei Medical Journal

Yonsei Medical Journal 1999; 40(3): 221-225.

Published online: 20 February 2002

DOI: https://doi.org/10.3349/ymj.1999.40.3.221

Analysis of the factors affecting decentration in photorefractive keratectomy and laser in situ keratomileusis for myopia

Jae Bum Lee, Jae In Jung, Young Kwang Chu, Jong Hyuck Lee, Eung Kweon Kim

Department of Ophthalmology, Yonsei University College of Medicine, Seoul. Korea.

The Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea.

Department of Ophthalmology, Yonsei University Wonju College of Medicine, Wonju, Korea.

jblee88@yumc.yonsei.ac.kr

Copyright © 1999 The Yonsei University College of Medicine

Abstract

To evaluate the relationship between ablation zone demm in PRK and 88.7% were decentered less than 0.75 mm in LASIK. The most meridional displacement was toward the superonasal quadrant; 46% in PRK and 51% in LASIK. There was less decentration in males, in the 2nd-operated eye, in older age, PRK, in larger ablation diameter, and in shallower ablation depth, but these differences were not statistically significant.

Keywords: Decentration, photorefractive keratectomy, laser in situ keratomileusis

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