[SURVEY OF VISION IN SCHOOL CHILDREN].
D000293:Adolescent; D002648:Child; D003718:Denmark; D005139:Eyeglasses; D006261:Headache; D006801:Humans; D012572:School Health Services; D013223:Statistics as Topic; D014787:Vision Tests; D014785:Vision, Ocular
ADOLESCENCE; CHILD; DENMARK; EYEGLASSES; HEADACHE; SCHOOL HEALTH; STATISTICS; VISION TESTS
EN SYNSUNDERSOGELSE AF SKOLEBORN.