title: Cataract classification systems in epidemiological studies.
authors.affiliation: Department of Ophthalmology, Kanazawa Medical University, Ishikawa, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Sasaki
mesh_terms: D002386:Cataract / Q000145:classification* / Q000453:epidemiology; D004812:Epidemiologic Methods; D006801:Humans; D015588:Observer Variation; D011680:Pupil / Q000502:physiology; D014792:Visual Acuity