[Ocular refraction in school children in the Far North and means of preventing myopia].
D002648:Child; D003081:Cold Climate; D006801:Humans; D009216:Myopia / Q000453:epidemiology* / Q000517:prevention & control; D012426:Russia; D012800:Siberia
Sostoianie refraktsii shkol'nikov Kraĭnego Severa i puti profilaktiki blizoruchkosti.