title: Non-optical aids.
abstract: Non-optical aids help patients deal with everyday problems where sight is impaired. A review of the many non-optical devices is discussed including relative size devices, writing and communication aids, posturing and positioning aids, illumination control and non-optical sensory substitution devices. An extensive appendix is provided listing sources of many non-optical aids.
mesh_terms: D001766:Blindness / Q000209:etiology; D003201:Computers; D048909:Diabetes Complications; D006801:Humans; D011932:Reading; D012682:Sensory Aids; D014786:Vision Disorders / Q000628:therapy*