Neodymium:YAG laser cutting of intraocular lens haptics in vitro and in vivo.
Identifieur interne : 004287 ( Ncbi/Checkpoint ); précédent : 004286; suivant : 004288Neodymium:YAG laser cutting of intraocular lens haptics in vitro and in vivo.
Auteurs : J M Feder [États-Unis] ; M A Rosenberg ; M D FarberSource :
- Journal of cataract and refractive surgery [ 0886-3350 ] ; 1989.
English descriptors
- KwdEn :
- MESH :
- chemical : Methylmethacrylates, Polypropylenes.
- Animals, Laser Therapy, Lenses, Intraocular, Rabbits.
Abstract
Various complications following intraocular lens (IOL) surgery result in explantation of the lenses. Haptic fibrosis may necessitate cutting the IOL haptics prior to removal. In this study we used the neodymium: YAG (Nd:YAG) laser to cut polypropylene and poly(methyl methacrylate) (PMMA) haptics in vitro and in rabbit eyes. In vitro we were able to cut 100% of both haptic types successfully (28 PMMA and 30 polypropylene haptics). In rabbit eyes we were able to cut 50% of the PMMA haptics and 43% of the polypropylene haptics. Poly(methyl methacrylate) haptics were easier to cut in vitro and in vivo than polypropylene haptics, requiring fewer shots for transection. Complications of Nd:YAG laser use frequently interfered with haptic transections in rabbit eyes. Haptic transection may be more easily accomplished in human eyes.
PubMed: 2810089
Affiliations:
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