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目的 调查上海市北新泾街道≥ 6 0岁老年人的低视力、盲患病率及致盲原因。方法分别对 1994、1997及 2 0 0 0年上海市北新泾街道所有≥ 6 0岁老年人进行调查 ,并建立视力档案 ,使用针孔镜矫正视力。观察其低视力及盲的患病率 ,分析致盲的主要原因。结果 1994、1997及 2 0 0 0年的实际受检率分别为 83 87%、88 32 %及 91 98% ;各年度低视力和盲的患病率分别为 3 6 1%和1 5 1%、2 31%和 1 0 9%及 1 31%和 0 71%。致盲的主要原因依次为视网膜退行性变、白内障、角膜病及视网膜血管性疾病。结论 1994、1997及 2 0 0 0年该地区盲的患病率及低视力率呈下降趋势 ;首位致盲原因为视网膜退行性变
Objective To investigate the causes of low vision, blindness and blindness in ≥60 years old people in Beixinjing streets, Shanghai. Methods All the patients aged 60 years or older in Beixinjing Street, Shanghai, 1994, 1997 and 2000 were surveyed. Visual acuity files were set up and acuity was corrected by pinhole mirror. Observe its low vision and the prevalence of blindness, analysis of the main causes of blindness. Results The actual examination rates in 1994, 1997 and 2000 were 83 87%, 88 32% and 91 98% respectively. The prevalences of low vision and blindness in each year were respectively 361% and 151% , 2 31% and 109% and 131% and 0 71% respectively. The main causes of blindness were retinal degeneration, cataracts, corneal diseases and retinal vascular diseases. Conclusions The prevalence of blindness and low visual acuity rate in this area decreased in 1994, 1997 and 2000; the first cause of blindness was retinal degeneration