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2014年中国农村老年人视力障碍的患病率并与2006年中国九省调查比较

Zhao, J., Xu, X., Ellwein, L.B., et al.

期刊名称:American journal of ophthalmology

卷期:2018年第185卷

摘要

摘要:目的:旨在通过与2006年九省调查比较,估算2014年中国农村老年人视力损害和失明患病率。设计:基于人口的横断面研究。方法:采用地理整群抽样从北京,江苏,广东,黑龙江,江西,河北,宁夏,重庆,云南等9个省份的农村或半农村地区随机抽取居民。对50岁以上的人员进行家访,邀请去检查点进行视力检测和检查。将2014年的视力减退和失明数据与2006年的调查数据进行比较。结果:9个研究点51310名受试者视力良好眼的视力减退(<20/63至≥20/ 400)患病率为6.05%至15.3%,失明率(<20/400)为0.66-5.35%,视力最佳矫正视力患病率为1.96-8.74%,失明率为0.47-5.01%。视力损害与年龄较大,女性,很少或没有受过教育有关。2006 - 2014年间视力损害和失明的整体患病率分别下降了6.31%和29.0; 2006年患病率与2014年人群标准化后,分别下降了16.1%和38.0%。结论:中国农村地区降低视力损害工作取得重大进展。尽管如此,视力损害仍然是一个重要的公共卫生问题,地理位置差异很大,而年龄,女性和文盲是风险因素。

PURPOSE:To estimate the prevalence of vision impairment and blindness in 2014 among older adults in rural China with comparisons with the 2006 Nine-Province Survey.DESIGN:Population-based, cross-sectional study.METHODS:Geographical cluster sampling was used in randomly selecting residents from a rural county or semi-rural district within 9 provinces: Beijing, Jiangsu, Guangdong, Heilongjiang, Jiangxi, Hebei, Ningxia, Chongqing, and Yunnan. Persons 50 years of age or older were enumerated through household visits and invited to examination sites for visual acuity testing and examination. Vision impairment and blindness in 2014 was compared with data from the 2006 survey.RESULTS:Among 51 310 examined persons, the prevalence of presenting vision impairment (<20/63 to 20/400) in the better-seeing eye ranged from 6.05% to 15.3% across the 9 study sites, with presenting blindness (<20/400) ranging from 0.66% to 5.35%. With best-corrected visual acuity, the prevalence of vision impairment ranged from 1.96% to 8.74%, and blindness from 0.47% to 5.01%. Vision impairment was associated with older age, female sex, and little or no education. The overall prevalence of presenting vision impairment and blindness decreased during the 2006-2014 interval by 6.31% and 29.0%, respectively; and by 16.1% and 38.0%, respectively, after standardization of 2006 prevalence rates to the 2014 population.CONCLUSIONS:Substantial progress has been made in the reduction of vision impairment in rural China. Nevertheless, vision impairment remains an important public health problem with substantial geographic disparities and with older age, female sex, and illiteracy as risk factors.

 


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