Prevalence of Vision Impairment in Older Adults in Rural China in 2014 and Comparisons With the 2006 China Nine-Province Survey
Jialiang Zhao, Xiao Xu, Leon B Ellwein, Ning Cai, Huaijin Guan, Mingguang He, Ping Liu, Jianhua Lv, Xunlun Sheng, Peizeng Yang, Jinglin Yi, Mei Yang, Rui Zhang, Xiaohu Ding, Liping Du, Fengrong Li, Hong Lu, Wenqiang Shao, Junwei Wang, Yuansheng Yuan Show all
American Journal of Ophthalmology | ELSEVIER SCIENCE INC | Published : 2018
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 5..View full abstract
Awarded by NATIONAL INSTITUTE OF HOSPITAL ADMINISTRATION, NATIONAL HEALTH AND Family Planning Commission, Beijing, China
SUPPORTED BY THE NATIONAL INSTITUTE OF HOSPITAL ADMINISTRATION, NATIONAL HEALTH AND Family Planning Commission, Beijing, China under contract number 1541 with ORBIS International North Asia, Beijing, China. ORBIS International did not have any role in study design, in the collection, analysis and interpretation of data, in writing the report, or in the decision to submit the article for publication.