title: [An epidemiological survey of blindness and low vision in Shanghai].
authors.forename: G Q
authors.initials: GQ
authors.lastname: Zang
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001766:Blindness / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D002681:China; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D012494:Sampling Studies; D015354:Vision, Low / Q000453:epidemiology*