title: The evolving concept of amblyopia: a challenge to epidemiologists.
mesh_terms: D000293:Adolescent; D000328:Adult; D000375:Aging; D000550:Amblyopia / Q000150:complications / Q000453:epidemiology* / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D004812:Epidemiologic Methods; D006801:Humans; D007223:Infant; D008403:Mass Screening; D011634:Public Health; D013285:Strabismus / Q000150:complications / Q000453:epidemiology*; D014481:United States