[Some data on the state of vision in schools where many subjects are taught in a foreign language].
D000065:Accommodation, Ocular; D000367:Age Factors; D001251:Astigmatism / Q000453:epidemiology; D002648:Child; D006801:Humans; D006956:Hyperopia / Q000453:epidemiology; D007802:Language; D009216:Myopia / Q000453:epidemiology; D012029:Refraction, Ocular; D012572:School Health Services; D014586:USSR; D014786:Vision Disorders / Q000453:epidemiology*
Nekotorye dannye o sostoianni zreniia uchashchikhsia shkol s prepodavaniem riada predmetov na inostrannom iazyke.