Ophthalmic epidemiology · 2010
Prevalence of and risk factors for primary open-angle glaucoma in central Sri Lanka: the Kandy eye study.
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Sia David I T, Edussuriya Kapila, Sennanayake Saman, Senaratne Tissa, Selva Dinesh, Casson Robert J
Аннотация
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.
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.