title: Environmental influences on ocular refraction.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004777:Environment; D006801:Humans; D008297:Male; D008875:Middle Aged; D009216:Myopia / Q000453:epidemiology*; D012029:Refraction, Ocular