title: Prevalence of lens opacities in ophthalmic screening examination of aged persons.
authors: Fukushima Medical College, Japan.
authors: T
authors: T
authors: Sekiryu
authors: K
authors: K
authors: Sakauchi
authors: S
authors: S
authors: Sasaki
authors: K
authors: K
authors: Kato
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002386:Cataract / Q000145:classification / Q000453:epidemiology*; D004812:Epidemiologic Methods; D005128:Eye Diseases / Q000453:epidemiology; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008403:Mass Screening