太原市年龄相关性白内障的流行病学调查

A surrey of age-related cataract epidemiology in Taiyuan city

目的：探讨太原市白内障的流行特征及低视力、盲的患病率，为老年性白内障的防治提供科学依据。方法：采用随机抽样的方法，对2004年-2007年间在我院体检的太原市区受检者进行了调查，以我国目前白内障流行病学调查的标准及世界卫生组织盲与低视力的诊断标准，对调查资料进行统计学分析。结果：太原市白内障发病率为6．60％，视力〈0．7的年龄相关性白内障患者804例，患病率15．41％。盲与低视力患病率分别为0．75％和10．57％，伴屈光不正占24．62％。结论：白内障仍是高龄者的致盲眼病，太原地区50岁以上白内障患病率较高，致盲率较低，女性患病率高于男性。

Objective：To explore the endemic features of cataracts, low vision and blindness prevalence rate in Taiyuan,and to offer scientific basis for prevention and treatment of age-related cataracts. Methods：Using stratified clusters from a random sampling method to make a survey about people who were investigated from 2004 to 2007 in our hospital medical center for physical examinations of the Taiyuan area. Using China＇s current standards of cataract epidemiotogy,the WHO＇s standard of blindness and low vision to create a statistical analysis for the survey data. Results：The incidences of cataracts were 6.60%. The visual acuity 〈0.7 of age-related cataract patients were 804 cases. The prevalence rate was 15.41%. The low vision and blindness prevalence rates were 0.75%and 10. 57%. The refractive error accounted for 24.62 %. Conclusion ：Cataracts are still the leading cause of blindness for senior citizens. Citizens over 50 years of age have a higher prevalence of cataracts and a low rate of blindness. Females have a higher prevalence rate than males.