title: [Blindness and poor vision in childhood].
mesh_terms: D000293:Adolescent; D001766:Blindness / Q000453:epidemiology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D009896:Optic Atrophy / Q000453:epidemiology; D012030:Refractive Errors / Q000453:epidemiology; D012426:Russia; D012572:School Health Services; D014786:Vision Disorders / Q000151:congenital / Q000453:epidemiology*
vernacular_title: K voprosu o slepote i slabovidenii v detskom vozraste.