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Experimental damages of intraocular lenses with YAG laser Yoshihiro Asano 1 , Katsuyoshi Mizuno 1 1Dept. of Ophthalmol., Tohoku Univ. Sch. of Med. pp.521-523
Published Date 1985/4/15
DOI https://doi.org/10.11477/mf.1410209412
  • Abstract
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We evaluated the possible damages inflicted upon the intraocular lenses as a complicatoin of capsu-lotomy by Nd-YAG laser. Q-switched YAG laser was applied directly to intraocular lenses made of PMMA or glass. Scanning electron microscopic studies showed pits or cracks in both lens types. The crack in the PMMA lens measured maximally 1mm in length. In a glass lens, the entire piece was broken into pieces after only 2 laser applications. Throughout the present experiment, the power out-put was between 3.0 and 4.5mJ, usnig either a single pulse or a train of five.

The present findings indicate that the use of Nd-YAG laser is contraindicated in psuedophakic eyes implanted with glass lens. An accurate aiming with minimum power output is essential to eliminate the hazards. It is advocated to use suitable contact lenses such as Mizuno Trabeculolens or Abraham lens.


Copyright © 1985, 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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