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Irregular astigmatism and contrast visual acuity during early stage after self-sealing small-incision cataract surgery Kazuno Negishi 1 , Hiroko Bissen-Miyajima 2 , Atsuo Tomidokoro 3 , Tetsuro Oshika 4 , Tadayuki Matsuzaki 1 , Koji Hayashi 1 1Dept of Ophthalmol, National Saitama Hosp 2Dept of Ophthalmol, Ichikawa General Hosp, Tokyo Dental Coll 3Dept of Ophthalmol, Omiya Red Cross Hosp 4Dept of Ophthalmol, Branch Hospital, Univ of Tokyo Sch of Med pp.1133-1136
Published Date 1996/6/15
DOI https://doi.org/10.11477/mf.1410904943
  • Abstract
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We evaluated contrast visual acuity and irregular astigmatism during the early stage after self-sealing small-incision cataract surgery in 22 eyes. Three days after surgery, the corrected visual acuity and visual acuity for high-contrast chart reached the average values 3 months after surgery. It took 2 weeks for the visual acuity for medium-and low-contrast chart to reach the average value 3 months after surgery. Irregular corneal astigmatism showed significant increases 3 and 5 days after surgery from preoperative values. It returned to the preoperative value 2 weeks after surgery. There were no differences before and after surgery in regular astigmatism, surface regularity index and surface asymmetry index. The findings show that irregular astigmatism may be a factor in the recovery of visual acuity for medium-and low-contrast chart during the early stage after self-sealing small-incision cataract surgery.


Copyright © 1996, 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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