Sensory aids.
D001766:Blindness / Q000534:rehabilitation; D004493:Education; D006310:Hearing Aids / Q000592:standards; D006801:Humans; D008124:Locomotion; D011932:Reading; D012106:Research; D012682:Sensory Aids; D013016:Sound; D013060:Speech; D014481:United States; D014493:United States Department of Veterans Affairs