Effect of laser in situ keratomileusis correction on contrast visual acuity

Kunihiko Nakamura, Hiroko Bissen-Miyajima, Ikuko Toda, Yoshiko Hori, Kazuo Tsubota

研究成果: Article査読

55 被引用数 (Scopus)

抄録

Purpose: To evaluate the changes in contrast visual acuity (CVA) based on the amount of myopic correction with laser in situ keratomileusis (LASIK). Methods: In this prospective study, patients with myopia ranging from -2.0 to -14.0 diopters (D) were divided into 2 groups: those with myopia less than -6.0 D (n = 20) and those with myopia greater than -6.0 D (n = 13). The CVA was measured preoperatively and 1 week and 1 and 3 months postoperatively using Variable Contrast Visual Acuity Charts. Results: The patients with less than -6.0 D of myopia had a CVA decrease of 15% 1 week postoperatively, which recovered by 1 month, and a decrease of 2.5% 1 week and 1 month postoperatively, which recovered by 3 months. The patients with more than -6.0 D of myopia had a decrease of 15% and 2.5% at all postoperative times. Conclusions: After LASIK to correct myopia of greater than -6.0 D, there may be a persistent decrease in intermediate and low CVA. Patients should be informed preoperatively of this possible decrease in CVA.

本文言語English
ページ(範囲)357-361
ページ数5
ジャーナルJournal of Cataract and Refractive Surgery
27
3
DOI
出版ステータスPublished - 2001

ASJC Scopus subject areas

  • 外科
  • 眼科学
  • 感覚系

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