title: Low vision problem in the U.S.A.
authors: G K
authors: GK
authors: Kambara
mesh_terms: D000669:Amplifiers, Electronic; D001296:Audiovisual Aids; D015331:Cohort Studies; D006801:Humans; D009885:Ophthalmology / Q000193:education; D010353:Patient Education as Topic / Q000379:methods; D014481:United States; D015354:Vision, Low / Q000453:epidemiology / Q000209:etiology / Q000628:therapy