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The corneal shape and astigmatiom following small-incision cataract surgery Yoko Takahashi 1 , Hiroshi Tsuneoka 1 1Dept of Ophthalmology, The Jikei Univ Sch of Med pp.71-76
Published Date 1998/1/15
DOI https://doi.org/10.11477/mf.1410905701
  • Abstract
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Small-incision is advocated for cataract surgery to minimize induced corneal astigmatism. We reviewed 238 eyes regarding corneal shape and astigmatism after cataract surgery by phacoemulsification and foldable intraocular lens implantation. We used one-sided keratotomy or sclerokeratotomy along the temporal limbus. The corneal astigmatism averaged 0.48D after 3.0 mm keratotomy, 0.79D after 3.5mm keratotomy, 0.29D after 4.1 mm keratotomy and 0.32D after 4.1 mm sclerokeratotomy. Flattening of the cornea was less after 3.0mm keratotomy and 4.1mm sclerokeratotomy than 3.5mm and 4.1mm keratotomy. The findings show that an auricular one-sided keratotomy of 3 mm or less is favorable to minimize postoperative corneal astigmatism. One-sided sclerokeratotomy is desired for cases that require an incision of 4.1 mm or longer.


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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