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Origin and cellular component of membraneous coating on the intraocular lens Kiyoshi Okada 1 , Hiroaki Sagawa 2 1Dept of Ophthalmol, Tamakyuryo Hosp 2Dept of Ophthalmol, Sch of Med Toho Univ Ohashi Hosp pp.1149-1152
Published Date 1989/7/15
DOI https://doi.org/10.11477/mf.1410210896
  • Abstract
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We examined the anterior surface of intraocular lens in 133 eyes during the postoperative period by means of specular microscopy. All the eyes had undergone extracapsular cataract extraction with implantation of posterior chamber lens made of PMMA. The observed cells appeared to be his-tiocytes, fibroblast-like cells or foreign body giant cells. In 61 eyes in the series, we observed an amorphous coating filling the spaces between thefibroblast-like cells and histiocytes. The amor-phous coating started as deposits of gray sub-stances which gradually fused with one another to form a uniform layer. The coating was occasionally observed as interference fringes simulating Newton rings.

The formation of coating was a rather common event on implanted intraocular lenses. Presence of Newton rings seemed to be indicative of the pres-ence of a thin coating.


Copyright © 1989, 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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