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Visual Outcome after Small Incision Cataract Surgery in Southwestern Nigeria


OO Olawoye
AO Ashaye
CO Bekibele
BGK Ajayi

Abstract

Objective: The aim of this study was to determine the visual outcome of patients who had manual small incision cataract surgery in a high volume secondary eye hospital in southwestern Nigeria, and to identify reasons for poor outcome. Methodology: This is an observational descriptive, longitudinal study of consecutive patients undergoing cataract surgery at St Mary’s Catholic Eye Hospital, Ago Iwoye (SMEH) Nigeria conducted between May and October 2007. A total of 146 patients who presented to the hospital and met the inclusion criteria were recruited for the study. Patients were examined preoperatively, 1st day and 8th week post-operatively. Results were analyzed using the SPSS statistical software. Significant association was taken at 95% confidence interval i.e. < 0.05. Results: A total of 146 patients who met the inclusion criteria were studied. The mean age was 65.3±10.04 years; and the male to female ratio was 1.4:1. Preoperatively, 110 patients (75.3%) were blind in the operated eye, while 33 patients (22.6%) were blind in both eyes at presentation. At 1st day post-operatively, 17 patients (11.6%) had pinhole visual acuity of 6/6-6/18. Out of 137 patients that had refraction, 114 patients (83.2%) had a visual acuity of 6/6-6/18. The number of blind patients also reduced from 33 (22.6%) to 1(0.7%). Uncorrected refractive error was the commonest cause of poor vision post-operatively. Conclusion: This study demonstrates that good results can be obtained with small incision cataract surgery with intraocular lens implantation in the developing world. Increasing cataract surgery with IOL implantation should reduce the number of eyes with poor functional vision after cataract surgery.

Key words: cataract, cataract surgery, visual outcome


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eISSN: 2468-8363
print ISSN: 0189-9171