Nearwork, school achievement and myopia.
D000124:Achievement; D000293:Adolescent; D000328:Adult; D002648:Child; D005006:Ethnicity; D006254:Hawaii; D006801:Humans; D009216:Myopia / Q000209:etiology / Q000523:psychology*; D012029:Refraction, Ocular; D013334:Students / Q000523:psychology*