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Postoperative aphakia in modern cataract surgery:part 2: detailed analysis of the cause of aphakia and the visual outcome

Journal article
Authors M Lundström
KG Brege
I Floren
B Lundh
Ulf Stenevi
W Thorburn
Published in Jorunal of Cataract and Refractive Surgery
Volume 30
Pages 2111-5
ISSN 0886-3350 (Print)
Publication year 2004
Published at Institute of Clinical Neurosciences, Section of Ophtalmology
Pages 2111-5
Language en
Links dx.doi.org/10.1016/j.jcrs.2004.01.0...
Subject categories Medical and Health Sciences

Abstract

Purpose: To study the incidence of aphakia after cataract surgery, the surgical complications that can lead to it, and the visual outcome. Setting: Six community-run eye clinics participating in the Swedish National Cataract Register. Methods: Data on cataract extractions were collected prospectively from 1997 through 2001. The data also covered the type of surgery and type of intraocular lens, including a “no lens implanted” option. All data were stored in a database. These data were supplemented with data on the intended type of surgery, type of complications, possible second surgery, and visual outcome. Results: The overall incidence of postoperative aphakia was 0.65%. In 87.1% of cases, the aphakia was not planned, corresponding to an incidence of 0.48%. Unplanned aphakia was significantly related to poor preoperative vision, old age, and the presence of ocular comorbidity. The most frequent reasons for unplanned aphakia were intraoperative capsule problems and vitreous loss. In two thirds of cases, a second operation was performed. In 41% of all cases, the final visual acuity was 0.5 or better and in 27.7%, worse than 0.1. Conclusions: During the study period, 1 of every 200 routine cataract surgeries ended in unplanned aphakia. The incidence of surgical complications leading to unplanned aphakia and a final visual acuity worse than 0.1 (20/200) was 7.8 per 10 000 operations in cases with no ocular comorbidity and 27.6 per 10 000 operations in cases with ocular comorbidity. J Cataract Refract Surg 2004; 30:2111–2115  2004 ASCRS and ESCRS

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