Prescribing for performance and prevention.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D005139:Eyeglasses; D006801:Humans; D009216:Myopia / Q000517:prevention & control; D009907:Optometry / Q000379:methods; D012030:Refractive Errors / Q000175:diagnosis; D013285:Strabismus / Q000175:diagnosis* / Q000517:prevention & control; D014787:Vision Tests / Q000592:standards*