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Acta Ophthalmologica 2012
Prevalence and incidence of ocular trauma in North China: the Beijing Eye Study Jin D. Wang,1 Liang Xu,1 Ya X. Wang,1 Qi S. You,1 Jing S. Zhang1 and Jost B. Jonas1,2 1
Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China 2 Department of Ophthalmology, Medical Faculty Mannheim of the Ruprecht-KarlsUniversity, Heidelberg, Germany This study was supported by Beijing Municipal Natural Science Foundation and Bureau of International Cooperation, Beijing Municipal Science and Technology Commission, and the National Key Laboratory Fund, Beijing, China.
ABSTRACT. Purpose: To determine the prevalence and incidence of ocular trauma and proportion of trauma-related visual impairment in the population of Greater Beijing. Methods: The population-based Beijing Eye Study included 4439 subjects in 2001, of whom 3251 subjects returned for follow-up examination in 2006 (response rate: 73.3%). The subjects underwent a comprehensive ocular evaluation. Prospective information on ocular trauma and type of treatment was recorded with questionnaires in face-to-face interviews. Results: A history of ocular trauma was reported by 72 (1.6 ± 0.2%) subjects (age-standardized prevalence: 1.7 ± 0.01%). Prevalence of ocular trauma history was associated with male gender (p = 0.02), rural residence (p = 0.04) and alcohol consumption (p = 0.01). Trauma as underlying cause for visual impairment (best-corrected visual acuity
