Presbycusis history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Saumya Easaw, M.B.B.S.[2]

Presentation

Hearing loss usually begins gradually after the age of sixty, and is usually found more often in men than women. This can be miscontributed to men having a greater exposure to environmental noise. However, exposure to environmental noise can lead to Noise-induced hearing loss (NIHL), a hearing issue that is separate from presbycusis. Over time, the detection of high-pitched sounds becomes more difficult and both ears tend to be affected. Examples of microscopic changes seen in this condition are hair cell degeneration of the cochlea and giant stereociliary degeneration.