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Late dislocation of in-the-bag and out-of-the bag intraocular lenses: ocular and surgical characteristics and time to lens repositioning.

Journal article
Authors Gunnar Jakobsson
Madeleine Zetterberg
Mats Lundström
Ulf Stenevi
Richard Grenmark
Karin Sundelin
Published in Journal of cataract and refractive surgery
Volume 36
Issue 10
Pages 1637-44
ISSN 1873-4502
Publication year 2010
Published at Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation
Pages 1637-44
Language en
Links dx.doi.org/10.1016/j.jcrs.2010.04.0...
Subject categories Medical and Health Sciences

Abstract

PURPOSE: To characterize patients with late intraocular lens (IOL) dislocation to evaluate possible risk factors, determine the time between cataract surgery and IOL repositioning, describe the surgical management, and estimate the incidence. SETTING: Department of Ophthalmology, Sahlgrenska University Hospital, Mölndal, Sweden. DESIGN: Case series. METHODS: Medical records from the cataract surgery and IOL repositioning were reviewed. RESULTS: The study enrolled 84 eyes, 63 with in-the-bag IOL dislocation and 21 with out-of-the-bag IOL dislocation. The prevalence of pseudoexfoliation (PXF) was 60% and of glaucoma, 36%. A high proportion of eyes with IOL dislocation (37%) had zonular dehiscence at cataract surgery. The median time from cataract surgery to IOL repositioning surgery was significantly shorter in eyes with out-of-the-bag IOL dislocation (3.2 years) than in eyes with in-the-bag IOL dislocation (6.7 years) (P = .029). The interval was also significantly shorter in eyes with zonular dehiscence. Using data from the National Cataract Register, the calculated incidence of IOL repositioning surgery per pseudophakic individuals in western Sweden was 0.050%. CONCLUSIONS: The possible major predisposing factors for late IOL dislocation were PXF, glaucoma, and cataract surgery complicated by zonular dehiscence. Primary placement of the IOL in the ciliary sulcus was associated with earlier IOL dislocation. Intraocular lens repositioning surgery using a posterior or anterior approach was successful in many cases. FINANCIAL

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