[State of health and refraction in schoolchildren].
D000065:Accommodation, Ocular; D000293:Adolescent; D002648:Child; D006262:Health; D006801:Humans; D009017:Morbidity; D012029:Refraction, Ocular; D012030:Refractive Errors / Q000453:epidemiology; D014455:Ukraine; D014505:Urban Population
Sostoianie zdorov'ia i refraktsiia u shkol'nikov.