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Japanese

Correction of astigmatism and the tolerated axial shift of cylinder intraocular lens Akiko Misawa 1 , Yoko Suzuki 1 , Nobuyuki Syoji 1 , Kimiya Shimizu 1 1Dept of Ophthalmol, Musashino Red Cross Hosp pp.532-536
Published Date 1993/3/15
DOI https://doi.org/10.11477/mf.1410901559
  • Abstract
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We implanted cylinder intraocular lens (IOL) in 47 cataractous eyes with preoperative against-the -rule astigmatism. The IOLs were implanted through a 5.7 mm incision following phacoemul-sification. The cylindrical power of the IOLs were set either 2 diopters (26 eyes) or 3 diopters (21 eyes). The corrected visual acuity 3 months aftersurgery averaged 0.93. The overall efficacy of astigmatic correction was greater with 3-diopter IOL than the 2-diopter one, provided the axis shift was less than 30 degrees. Cylinder IOLs of both powers showed negative effect whenever an axis shift of 30 degrees or more was present. We con-clude that 30 degrees is the maximum acceptable axis shift for cylinder IOLs.


Copyright © 1993, 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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