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Based on the Age of Onset

Based on the Age of Onset

Depending on the age of onset or a specific age, hearing loss is of the following types:
1) Pre-lingual or before learning language/speaking.
2) Post-lingual or after learning language/speaking.

1) Congenital hearing loss, when one is born with a hearing disability.
2) Acquired hearing loss, when one acquires hearing impairment gradually in his lifetime due to one or more reasons.

Hearing loss in one ear is termed as unilateral and for both ears, it is termed as bilateral hearing loss.


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