[Effectiveness of visual exercises in preventing the initial manifestations of myopia in school children].
D000065:Accommodation, Ocular; D000293:Adolescent; D002648:Child; D006801:Humans; D009216:Myopia / Q000191:economics / Q000517:prevention & control*; D009988:Orthoptics / Q000191:economics; D014792:Visual Acuity
Effektivnost' uprazhnenii zreniia v profilaktike nachal'nykh proiavleniĭ blizorukosti u shkol'nikov.