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A five-year appraisal of excimer laser photorefractive keratectomy Yukihiro Hashimoto 1 , Kimiya Shimizu 1 , Shiro Amano 2 1Dept of Ophthalmol, Musashino Red Cross Hosp 2Dept of Ophthalmol, Univ of Tokyo Sch of Med pp.1745-1748
Published Date 1998/10/15
DOI https://doi.org/10.11477/mf.1410906048
  • Abstract
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We performed excimer laser photorefractive keratectomy (PRK) on 181 eyes during 40 months through 1993, of which 54 eyes could be followed up for 5 years or longer. We used Exci-Med UV-200LA by Summit Technology for PRK. Changes in refraction during the first to fifth year was greater in eyes corrected by 6 diopters (D) or greater than in eyes receiving lesser correction. The unaided visual acuity had stabilized within one year after PRK in eyes corrected by less than 6 D, while it remained unstabilized for 2 years or longer in eyes corrected by 6D or greater. Eyes corrected by less than 6D showed better predictability than the rest. There was no instance of hyperoptic shift, corneal thinning, endothelial cell damage or severe corneal haze.


Copyright © 1998, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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