Definition of Hearing aid
Hearing aid: An instrument to help in hearing. There are four common styles of hearing aids.
From largest to smallest, they are:
- Behind-the-ear (BTE) hearing aids,
- In-the-ear (ITE) hearing aids,
- In-the-canal (ITC) hearing aids, and
- Completely-in-the-canal (CIC) hearing aids.
There is also a body hearing aid for very severe hearing loss. In general, hearing aids should ideally be binaural (in both ears), if the hearing loss involves both ears.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012
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