A hearing aid is an electroacoustic apparatus which typically fits in or behind the wearer's ear, and is designed to amplify and modulate sound for the wearer.
Provides information about both surgically implanted and non-surgically implanted devices.
Provides information about the types of hearing aids and other listening devices available and their likely cost.
Study caried out in the UK in the year 2000.
Answers to many frequently asked questions on hearing aids.
Article from Wikipedia providing information on the various types of hearing aid, the technology involved, who will benefit from them and the costs involved.
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