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Open-angle glaucoma in Filipino and white Americans: a comparative study

TitleOpen-angle glaucoma in Filipino and white Americans: a comparative study
Publication TypeJournal Article
Year of Publication2014
AuthorsSales, CS, Lee, RY, Agadzi, AK, Hee, MR, Singh, K, Lin, SC
JournalJ GlaucomaJ Glaucoma
Date PublishedApr-May
ISBN Number1536-481X (Electronic)<br/>1057-0829 (Linking)
Accession Number23221903
KeywordsAdult, Aged, Aged, 80 and Over, Asian Americans/ ethnology, Cross-Sectional Studies, European Continental Ancestry Group/ ethnology, Female, Glaucoma, Open-Angle/ ethnology, Gonioscopy, Humans, Intraocular Pressure, Low Tension Glaucoma/ ethnology, Male, Middle Aged, Philippines/ethnology, Retrospective Studies, Tonometry, Ocular, United States/epidemiology, Visual Field Tests
AbstractBACKGROUND: To compare the frequency of open-angle glaucoma (OAG) subtypes between Filipino and white Americans in a general ophthalmology clinic population. PATIENTS AND METHODS: In this retrospective cross-sectional epidemiologic study with prospective sampling, medical charts of 1113 patients aged 40 years or older (513 Filipinos, 600 whites) seen in 2008 were randomly sampled from 2 private comprehensive ophthalmology clinics. Glaucoma was diagnosed based on optic nerve appearance, visual field defects, and other ocular findings using the International Society of Geographical and Epidemiological Ophthalmology (ISGEO) scheme. The normal-tension subtype of OAG [normal-tension glaucoma (NTG)] was defined by intraocular pressure =21 mm Hg as determined by review of medical records. RESULTS: NTG comprised a greater proportion of all glaucomatous disease in Filipino subjects [Filipino (F) vs. white (W): 46.7% vs. 26.8%; P=0.02]. Filipinos were more commonly diagnosed with OAG and NTG than whites (F vs. W: OAG, 11.9% vs. 8.2%; NTG, 6.8% vs. 2.5%; P=0.04, 0.001, respectively). There was no significant difference in central corneal thickness between Filipino and white subjects with NTG (P=0.66). CONCLUSIONS: Both OAG and NTG may be more common in Filipino Americans than in white Americans with the propensity for NTG being particularly high in the former relative to the latter group.
Ethno Med: