[Optical visual aids in school sports].
D000293:Adolescent; D000328:Adult; D002648:Child; D003261:Contact Lenses; D005139:Eyeglasses; D005260:Female; D006801:Humans; D008297:Male; D010806:Physical Education and Training; D014786:Vision Disorders / Q000628:therapy*
Optische Sehhilfen im Schulsport.