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  4. Visual outcomes and associated risk factors of cataract surgeries in highly myopic Taiwanese
 
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Visual outcomes and associated risk factors of cataract surgeries in highly myopic Taiwanese

Journal
Ophthalmologica
Journal Volume
222
Journal Issue
2
Pages
130-135
Date Issued
2008
Author(s)
Tsai C.-Y.
Chang T.-J.
Kuo L.-L.
Chou P.
LIN-CHUNG WOUNG  
DOI
10.1159/000112631
URI
http://www.scopus.com/inward/record.url?eid=2-s2.0-39749104200&partnerID=MN8TOARS
http://scholars.lib.ntu.edu.tw/handle/123456789/341931
Abstract
Aims: The purposes of this study were to describe the visual outcome of highly myopic eyes undergoing cataract surgery, to investigate associated risk factors for poor postoperative vision, and to assess postoperative complication frequency among the prevalent myopic Taiwanese population. Methods: We conducted a retrospective, noncomparative case series study at the Department of Ophthalmology, Zhongxing Branch, Taipei City Hospital, Taiwan. High myopia was defined as axial length of 26.0 mm. Main study outcomes were visual acuity for the initial 6-month postoperative period (including visual acuities and improvement of postoperative vision), and postoperative complications (including subsequent cataract formation and postoperative retinal detachment). Results: Fifty-two highly myopic eyes were registered between January 2002 and December 2004. Mean follow-up interval was 43.3 ± 20.2 weeks (range 25-103). Thirty-two eyes (61.5%) had good postoperative visual improvement (?4 line Snellen chart). Thirty-seven eyes (71.2%) achieved good postoperative vision (20/40 or better). Fifteen eyes (28.8%) demonstrated poor postoperative vision. Pre-existing maculopathy was an independent risk factor for failure to achieve good postoperative vision (odds ratio, OR, 6.84, 95% confidence interval, CI: 1.12-41.8) and improvement (OR 16.1, 95% CI: 2.2-119.9). Diabetic history was considered another independent risk factor for poor postoperative vision (OR 15.6, 95% CI: 0.97-267.6). Six eyes (11.5%) developed subsequent posterior capsular opacification requiring Nd:YAG laser capsulotomy. Two eyes (3.8%) developed retinal detachment during follow-up. Conclusions: Most of highly myopic eyes achieved good visual improvement and good postoperative visual acuity after cataract surgery. Pre-existing maculopathy was an independent risk factor of postoperative visual improvement and status. It is crucial to examine retinal status prior to cataract surgery to prevent poor vision improvement, poor postoperative vision, or retinal complications. Copyright ? 2008 S. Karger AG.
Subjects
Cataract surgery; High myopia; Nd:YAG laser; Retinal detachment; Visual acuity
SDGs

[SDGs]SDG3

Other Subjects
adult; aged; anamnesis; article; capsulotomy; cataract; cataract extraction; confidence interval; diabetes mellitus; female; follow up; human; major clinical study; male; myopia; neodymium laser; outcome assessment; patient assessment; postoperative complication; preoperative evaluation; retina detachment; retina maculopathy; retrospective study; risk factor; surgical approach; surgical risk; Taiwan; treatment failure; treatment outcome; visual acuity; Adult; Aged; Aged, 80 and over; Asian Continental Ancestry Group; Cataract; Cataract Extraction; Female; Humans; Lens Implantation, Intraocular; Macula Lutea; Male; Middle Aged; Myopia; Postoperative Complications; Postoperative Period; Retinal Detachment; Retinal Diseases; Retrospective Studies; Risk Factors; Severity of Illness Index; Taiwan; Treatment Outcome; Vision Disorders; Visual Acuity
Type
journal article

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