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  • Title: Prevalence of and risk factors for primary open-angle glaucoma in central Sri Lanka: the Kandy eye study.
    Author: Sia DI, Edussuriya K, Sennanayake S, Senaratne T, Selva D, Casson RJ.
    Journal: Ophthalmic Epidemiol; 2010 Aug; 17(4):211-6. PubMed ID: 20642343.
    Abstract:
    PURPOSE: To report the prevalence and risk factors associated with primary open-angle glaucoma (POAG) in the Kandy district of central Sri Lanka. METHODS: A cross-sectional, population-based ophthalmic survey of the inhabitants >or= 40 years of age from villages in the Kandy District, Sri Lanka was conducted. Selection was randomized using a cluster sampling process; 1721 eligible participants were identified, 1375 participated in the study and sufficient examination data to diagnose glaucoma in at least one eye was obtained in 1244 participants. A detailed ophthalmic history and examination including ocular biometry was made of each participant. Primary open-angle glaucoma was classified into three levels according to diagnostic evidence. RESULTS: The overall prevalence of POAG was 2.3% (95% CI 1.5-3.2). In the univariate analyses, increasing age (P = 0.001), intraocular pressure (IOP) (P < 0.001), myopia (P < 0.001) and axial length (P = 0.003) were significantly associated with POAG. In the multivariate analysis, age (P = 0.001), mean IOP (P < 0.001) and mean axial length (P = 0.008) were significant risk factors of POAG. CONCLUSIONS: The prevalence of POAG in the population aged >or=40 years in central Sri Lanka was 2.3%. POAG in this population was independently associated with increasing age, IOP and axial length.
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