Prevalence and causes of visual impairment in an elderly Chinese population in Taiwan - The Shihpai Eye Study
Prevalence and causes of visual impairment in an elderly Chinese population in Taiwan - The Shihpai Eye Study
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DOI：
10.1016/j.ophtha.2003.05.011
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发表时间：
2004-01-01
期刊：
影响因子：
13.7
通讯作者：
Chou, P
中科院分区：
文献类型：
--
作者：
Hsu, WM;Cheng, CY;Chou, P
目的：在东亚地区，关于视力损害的患病率和病因的基于人群的数据很少。本研究的目的是确定在中国老年人口在Taiwan.Design：人口为基础的横截面study.Participants：石牌眼科研究的患病率和原因视力障碍是一项调查，视力和眼病的老年中国人口65岁或以上居住在石牌，台湾。从户籍数据库中随机抽取2045名老年居民。其中，1361（66.6%）进行了详细的眼科examination.Methods：眼科检查包括最佳矫正视力测量使用标准化的协议。用Snellen E视力表评估视力。主要结果测量：根据世界卫生组织的视力损害分类，低视力和失明分别定义为最佳矫正视力低于20/60至低于20/400和低于20/400的眼睛。结果：参与者的平均年龄为72.2岁（范围：65-91岁）。共有40名参与者符合世界卫生组织的低视力标准，其中8人被诊断为盲人。盲和低视力的发生率分别为0.59%（95%可信区间，0.25%，1.16%）和2.94%（95%可信区间，2.11%，3.99%）。低视力发生率明显增高（P
Objective: Few population-based data on the prevalence and causes of visual impairment are available from East Asia. The purpose of this study was to determine the prevalence and causes of visual impairment in an elderly Chinese population in Taiwan.Design: Population-based cross-sectional study.Participants: The Shihpai Eye Study was a survey of vision and ocular disease among an elderly Chinese population 65 years of age or older residing in Shihpai, Taiwan. A random sample of 2045 elderly residents was identified and selected from the household registration databank. Among them, 1361 (66.6%) underwent a detailed ophthalmic examination.Methods: The ophthalmic examination included best-corrected visual acuity measurements using standardized protocols. Visual acuity was assessed with a Snellen E chart. The major cause of visual loss was identified for all participants who were visually impaired.Main Outcome Measures: Low vision and blindness were defined as a best-corrected visual acuity in the eye with better vision worse than 20/60 to a lower limit of 20/400 and worse than 20/400, respectively, according to World Health Organization categories of visual impairment.Results: The mean age of the participants was 72.2 (range, 65-91) years old. A total of 40 participants met the World Health Organization criteria of low vision, and 8 were diagnosed as blind. The rate of blindness and low vision was estimated to be 0.59% (95% confidence interval, 0.25%, 1.16%) and 2.94% (95% confidence interval, 2.11%, 3.99%), respectively. There was a significant increase in the rate of low vision (P