Journal article
Prevalence of Vision Impairment in Older Adults in Rural China in 2014 and Comparisons With the 2006 China Nine-Province Survey
J Zhao, X Xu, LB Ellwein, N Cai, H Guan, M He, P Liu, J Lv, X Sheng, P Yang, J Yi, M Yang, R Zhang, X Ding, L Du, F Li, H Lu, W Shao, J Wang, Y Yuan Show all
American Journal of Ophthalmology | Published : 2018
Abstract
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 31..
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Awarded by National Natural Science Foundation of China
Funding Acknowledgements
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.