Fifteen percent of people over 65 are legally deaf usually due to degeneration of the primary neural receptor for hearing in the inner ear, referred to as

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The primary neural receptor for hearing in the inner ear is the cochlea. Degeneration of the cochlea is a common cause of age-related hearing loss. The eardrum is responsible for collecting sound waves and transmitting them to the middle ear, but it is not a neural receptor for hearing. The retina is responsible for detecting light and transmitting visual information to the brain, and glaucoma is a disease that affects the optic nerve and can lead to vision loss, but neither is directly related to the neural receptors for hearing in the inner ear.

Fifteen Percent of People Over 65 Are Legally Deaf Usually