[Clinical use of the spectacle magnifier].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000550:Amblyopia; D002648:Child; D005139:Eyeglasses; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014786:Vision Disorders