National epidemiological survey of blindness and low vision in China
Zhang, S.Y.; Zou, L.H.; Gao, Y.Q.; Di, Y.; Wang, X.D.
Chinese Medical Journal 105(7): 603-608
1992
ISSN/ISBN: 0366-6999 PMID: 1451568 Document Number: 404891
According to the National Sample Survey of Blindness and Low Vision, the prevalence of blindness in China was 0.43%, resulting chiefly from cataract (41.06%), corneal diseases (15.38%), trachoma (10.87%), and glaucoma (8.80%); and the prevalence of low vision in China was 0.58%, of which the main causes were cataract (49.83%), ametropia/amblyopia (14.98%), trachoma (9.55%), corneal diseases (8.48%), chorioretinal diseases (6.27%), etc. Among children under 14 years of age, the leading cause of blindness and low vision was heredity (48.46%). Among elderly of 60 years and over, the leading cause of blindness and low vision was cataract (73.13%).