Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/51238
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dc.contributor.authorCasson, R.en
dc.contributor.authorBaker, M.en
dc.contributor.authorEdussuriya, K.en
dc.contributor.authorSenaratne, T.en
dc.contributor.authorSelva-Nayagam, D.en
dc.contributor.authorSennanayake, S.en
dc.date.issued2009en
dc.identifier.citationOphthalmology, 2009; 116(8):1444-1449en
dc.identifier.issn0161-6420en
dc.identifier.issn1549-4713en
dc.identifier.urihttp://hdl.handle.net/2440/51238-
dc.descriptionCopyright © 2009 American Academy of Ophthalmology Published by Elsevier Inc.en
dc.description.abstractPURPOSE: To determine the prevalence and determinants of angle closure in the Kandy District of central Sri Lanka. DESIGN: Population-based, cross-sectional study. PARTICIPANTS: Inhabitants aged 40 years or more from villages in the Kandy District were selected by randomized cluster sampling; 1721 eligible participants were identified, and 1375 participated in the study. METHODS: The examination included slit-lamp examination of the anterior segment, applanation tonometry, static and dynamic gonioscopy, dilated stereoscopic optic disc examination, and ultrasonic ocular biometry. Eyes that were primary angle-closure suspects (PACS) or had primary angle closure (PAC) or primary angle-closure glaucoma (PACG) were identified. Definitions were based on recommendations from the International Society for Geographic and Epidemiological Ophthalmology (ISGEO). Univariate and multivariate logistic regression analyses were performed with angle closure as the outcome variable. MAIN OUTCOME MEASURES: Subjects with PACG, PACS, or PAC were pooled into a group considered to have angle closure. RESULTS: The prevalence of PACS, PAC, and PACG in at least 1 eye was 2.35% (95% confidence interval [CI], 0.0-4.7; 32 subjects), 1.86% (95% CI, 0.6-3.1, 25 participants), and 0.57% (95% CI, 0.0-1.2; 7 participants), respectively. The overall prevalence of angle closure was 4.7% (95% CI, 1.1-9.3; 64 participants). The mean axial length in those with angle closure (21.99 mm) was significantly shorter (P<0.001) than in those with open angles (22.47 mm), as was the mean anterior chamber depth (ACD) (2.47 mm compared with 2.81 mm), but the mean lens thickness in those with angle closure (4.51 mm) did not significantly differ (P = 0.44) from those with open angles (4.45 mm). Neither age nor nuclear opalescence was a significant predictor of angle closure in the multivariate model (P = 0.09 and 0.61, respectively); however, female gender was associated with a 9.2 times (P<0.001) increased risk of angle closure, and each millimeter decrease in ACD was associated with a 2.6 times increased risk of angle closure (P<0.001). CONCLUSIONS: The overall prevalence of angle closure was 4.7%. Female gender and shallow ACD were significant independent predictors of angle closure in this Sri Lankan population.en
dc.description.statementofresponsibilityRobert J. Casson, Michelle Baker, Kapila Edussuriya, Tissa Senaratne, Dinesh Selva and Saman Sennanayakeen
dc.language.isoenen
dc.publisherElsevier Science Incen
dc.subjectOptic Disk; Humans; Optic Nerve Diseases; Glaucoma, Angle-Closure; Gonioscopy; Prevalence; Risk Factors; Cross-Sectional Studies; Biometry; Adult; Aged; Aged, 80 and over; Middle Aged; Rural Population; Sri Lanka; Female; Maleen
dc.titlePrevalence and Determinants of Angle Closure in Central Sri Lanka: The Kandy Eye Studyen
dc.typeJournal articleen
dc.identifier.rmid0020091361en
dc.identifier.doi10.1016/j.ophtha.2009.03.005en
dc.identifier.pubid38391-
pubs.library.collectionOpthalmology & Visual Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidCasson, R. [0000-0003-2822-4076]en
dc.identifier.orcidSelva-Nayagam, D. [0000-0002-2169-5417]en
Appears in Collections:Opthalmology & Visual Sciences publications

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