作者
Lingam Vijaya, Ronnie George, M Baskaran, Hemamalini Arvind, Prema Raju, S Ve Ramesh, Govindasamy Kumaramanickavel, Catherine McCarty
发表日期
2008/4/1
期刊
Ophthalmology
卷号
115
期号
4
页码范围
648-654. e1
出版商
Elsevier
简介
OBJECTIVE
To estimate the prevalence and risk factors of primary open-angle glaucoma (POAG) in an urban population and compare the same with that of our published rural population data in southern India.
DESIGN
Population-based cross-sectional study.
PARTICIPANTS
Four thousand eight hundred subjects 40 years or older were selected using a multistage random cluster sampling procedure in Chennai city.
INTERVENTION
Three thousand eight hundred fifty (80.2%) subjects underwent a complete ophthalmic examination, including applanation tonometry, gonioscopy, pachymetry, optic disc photography, and automated perimetry.
MAIN OUTCOME MEASURES
Glaucoma was diagnosed using the International Society of Geographical and Epidemiological Ophthalmology Classification.
RESULTS
The distribution of intraocular pressure (IOP) and vertical cup-to-disc ratio (VCDR) was obtained from the …
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