Evaluation of closed-circuit television magnifiers.
D000293:Adolescent; D000368:Aged; D001766:Blindness / Q000534:rehabilitation*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011932:Reading; D012682:Sensory Aids; D013690:Television