Objective classification of zonular weakness based on lens movement at the start of capsulorhexis

  • Saori Yaguchi (418831)
  • Shigeo Yaguchi (3937982)
  • Yukari Yagi-Yaguchi (3044496)
  • Tadahiko Kozawa (3937985)
  • Hiroko Bissen-Miyajima (3937979)
Publication date
April 2017
ISSN
1932-6203

Abstract

<div><p>Purpose</p><p>To quantify zonular weakness based on lens movement at the start of continuous curvilinear capsulorhexis (CCC) and establish a classification system for it.</p><p>Setting</p><p>Kozawa Eye Hospital and Diabetes Center, Mito, Japan.</p><p>Design</p><p>Retrospective interventional case series.</p><p>Methods</p><p>We examined 402 consecutive eyes of 316 patients who underwent CCC, phacoemulsification and aspiration (PEA), and intraocular lens (IOL) implantation. The movement of the lens capsule was measured using images from video recordings of the CCC procedure. Zonular weakness was classified based on the shifted distance: Grade I, less than 0.20 mm; Grade II, 0.20–0.39 mm; and Grade III, greater than 0.40 mm. For each o...

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