Sensory Aids

Book Chapter

Book Title

Akay, M. (Ed), Wiley Encyclopedia of Biomedical Engineering


John Wiley & Sons


New Jersey

Year of Publication



Individuals with complete or partial loss of vision or hearing have a reduction of sensory input that affects their interaction with the environment. Approximately 3.5–6 million people have vision loss and 8 million have hearing loss. Different diseases and pathologies give rise to different forms of functional limitations. Individuals with loss of vision or hearing improve function through the use of sensory aids as a supplement to or a substitute for seeing or hearing in order to participate in society and to perform activities of daily living. Sensory aids range from individual medical and