lyrichearing.com: Lyric - The Worlds First Extended Wear Hearing Aid
Introducing the Lyric hearing aid, Lyric is the first and only extended wear hearing aid that is 100 percent invisible. Lyric is designed to help people with hearing loss.
hearagain.org: Hearagain.Org - Cochlear Implants, Cochlear Devices, Hearing Aids, And Hearing
Dedicated to increasing awareness of Adam Kissiah's work on the implantable hearing device and cochlear implant
hear-it.org: Hear-It: The Ultimate Source On Hearing, Hearing Loss And Hearing Aids -
Hear-it provides non-commercial facts about hearing loss and how to live with hearing loss
en.wikipedia.org: Hearing Test - Wikipedia, The Free Encyclopedia
Encyclopedia article explaining how hearing is evaluated by use of an audiometer and the Weber and Rinne tests.
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