title: Prevalence of blindness and eye disease: discussion paper.
authors: Institute of Ophthalmology, London.
authors: G J
authors: GJ
authors: Johnson
authors: D C
authors: DC
authors: Minassian
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001766:Blindness / Q000145:classification / Q000453:epidemiology* / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D005060:Europe / Q000453:epidemiology; D005128:Eye Diseases / Q000453:epidemiology*; D005714:Gambia / Q000453:epidemiology; D006801:Humans; D008295:Malawi / Q000453:epidemiology; D008875:Middle Aged; D009390:Nepal / Q000453:epidemiology