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Postoperative decentration of silicone intraocular lenses Takeo Onishi 1 , Masayuki Imai 1 , Hirofumi Kizaki 1 , Shigeo Yaguchi 1 1Dept of Ophthalmol, Fujigaoka Hosp, Showa Univ pp.629-633
Published Date 1995/4/15
DOI https://doi.org/10.11477/mf.1410904253
  • Abstract
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We evaluated the decentration of silicone intraocular lenses (IOLs) in 164 eyes at an average of 4.2 months after surgery. There were 3 types of IOLs: type 1 in which the thickness increases along with the power, type 2 and 3 in which the thickness remains the same independent of the power. The amount of decentration averaged 0.40±0.16mm for type 1, 0.31±0.13mm for type 2 and 0.31±0.14mm for type 3. This finding shows that a greater decentration occurs for type 1 IOL than the other two types (p<0.01). Decentration was more obvious for type 1 IOL when the power was greater than +20 diopters. The material for the haptics did not affect decentration, as an IOL using polypropylene showed 0.31±0.13mm, while another using polyimide showed 0.31±0.14mm. Above findings suggest that the thickness of silicone IOL isa major factor for postoperative decentration.


Copyright © 1995, 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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