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Japanese

A case of unilateral photorefractive keratectomy followed by keratoconus in the fellow eye Tamaki Mitsuhashi 1 , Yoshihiro Kitazawa 1 , Kenji Sano 1,2 , Kanako Okamoto 1 , Syuji Sasaki 1 , Takashi Tokoro 1 1Dept of Ophthalmol, Sch of Med, Tokyo Med and Dent Univ 2Asumigaoka Sano Eye Clinic pp.1491-1495
Published Date 1999/7/15
DOI https://doi.org/10.11477/mf.1410906479
  • Abstract
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A 26-year-old male presented with myopia. Both eyes showed myopia of about -9 diopters with corrected visual acuity of 1.2. Regular astigmatism of -1.25 D and -1.75 D was present in the right and left eye respectively. Detailed examinations including the use of corneal topography ruled out irregular astigmatism. His right eye was treated by excimer laser photorefractive keratectomy (PRK) . The treated eye became almost emmetropic one month after surgery. The visual acuity was reduced to 0.7 due to subepithelial corneal haze. The left eye, which was put under observation without surgery, developed rapidly progressive myopia with irregular astigmatism in the temporal cornea 21 months later, leading to the diagnosis of keratoconus. This case illustrates that keratoconus may become manifest after 20 years of age and that due attention is necessary in the selection of candidate for refractive surgery.


Copyright © 1999, 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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