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The Prevalence and Types of Glaucoma in Malay People: The Singapore Malay Eye Study
Abstract
PURPOSE: To assess the prevalence and types of glaucoma in an Asian Malay population. METHODS: The Singapore Malay Eye Study is a population-based, cross-sectional survey that examined 3280 (78.7% response) persons aged 40 to 80 years. Participants underwent a standardized clinical examination including slit-lamp biomicroscopy, Goldmann applanation tonometry, and dilated optic disc assessment. Participants who were suspected to have glaucoma also underwent visual field examination (24-2 SITA standard, Humphrey Visual Field Analyzer II), gonioscopy, and repeat applanation tonometry. Glaucoma was defined according to International Society for Geographical and Epidemiologic Ophthalmology criteria. RESULTS: Of the 3280 participants, 150 (4.6%) had diagnosed glaucoma, giving an age- and sex-standardized prevalence of 3.4% (95% confidence interval [CI], 3.3%-3.5%). The age- and sex-standardized prevalence of primary open-angle glaucoma was 2.5% (95% CI, 2.4%-2.6%), primary angle-closure glaucoma 0.12% (95% CI, 0.10%-0.14%), and secondary glaucoma 0.61% (95% CI, 0.59%-0.63%). Of the 150 glaucoma cases, only 12 (8%) had a previous known history of glaucoma. Twenty-seven (18%) eyes had low vision (based on best corrected visual acuity logarithm of the minimal angle of resolution [logMAR] >0.30 to <1.00 in the eye with glaucoma for unilateral cases; and based on the better eye for bilateral cases) and 15 (10%) were blind (logMAR, >/=1.00). CONCLUSIONS: The prevalence of glaucoma among Malay persons 40 years of age and older in Singapore is 3.4%, comparable to ethnic Chinese people in Singapore and other racial/ethnic groups in Asia. As in Chinese, Caucasians, and African people, primary open-angle glaucoma was the main form of glaucoma in this population. More than 90% of glaucoma cases were previously undetected.
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Metadata
- Authors
- Shen, S. Y., Wong, T. Y., Foster, P. J., Loo, J.-L., Rosman, M., Loon, S.-C., Wong, W. L., Saw, S.-M., & Aung, T.
- Venue
- Investigative Opthalmology & Visual Science
- Published
- 2008-09-01
- Volume
- 49
- Issue
- 9
- Pages
- 3846
- ISSN
- 0146-0404 (ISSN-L)
- 1552-5783
- OpenAlex
- W2049855756
- Cited by
- 279
- References
- 23
- FWCI
- 14.44
- Type
- journal article
- Language
- en
- Open access
- closed
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