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Multivariate analysis of factors for posterior capsule opacification following cataract surgery Nobuyo Ando 1 , Tetsuro Oshika 2 , Hirokazu Kimura 3 1Ando Eye Clinic 2Dept of Ophthalmol, Univ of Tokyo Sch of Med 3Dept of Public Health, Yokohama City Univ Sch of Med pp.91-97
Published Date 1999/1/15
DOI https://doi.org/10.11477/mf.1410906183
  • Abstract
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We retrospectively evaluated the cumulative incidence and risk factors for posterior capsule opacifica-tion (PCO) in 3,316 eyes which underwent cataract surgery during 8 years and 4 months by a same surgeon. The incidence of PCO estimated by the Kaplan-Meier life table method was 2.5% at one year, 9.5% at 2 years and 21.0% at 3 years, 27.8% at 4 years and 30.4% at 5 years after surgery. By Cox proportional hazards regression analysis, development of PCO significantly increased in eyes with preoperative visual acuity better than 20/200 by 1.98 (p < 0.001), pigmentary retinal degeneration by 4.32 (p < 0.001) , diabetic retinopathy by 1.97 (p = 0.002) and the type of IOL (p < 0.001) . PCO showed higher incidences in eyes receiving single-piece polymethyl-methacrylate lens (p < 0.001) , silicone lens (p < 0.001) and no lens (p = 0.012) than three-piece polymethyl-methacrylate lens. Eyes receiving acrylic foldable lens had lower risk of PCO than single-piece polymethyl-methacrylate lens (p =0.039) .


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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