Compliance of schoolchildren in getting and wearing glasses.
D000367:Age Factors; D001290:Attitude; D002648:Child; D005128:Eye Diseases / Q000175:diagnosis; D005139:Eyeglasses; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D010349:Patient Compliance; D012572:School Health Services; D012737:Sex Factors; D012923:Social Class