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| Types of hearing loss |
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| There are the three general types of hearing loss: |
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| 1. |
Conductive hearing loss occurs when the eardrum, bones and membranes don't properly transmit vibrations to the cochlea. Causes include traumatic head injury or birth defects. |
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| 2. |
Sensorineural hearing loss is characterized by deterioration of the cochlea. Causes include the aging process and excessive exposure to loud noise. |
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| 3. |
Mixed hearing loss involves a combination of both conductive and sensorineural hearing loss. |
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