1. 
   Acquired deafness
   Acquired deafness: The loss of hearing that occurs or develops some time during a person's life but was not present at birth. Acquired deafness contrasts to congenital deafness which is present at birth. The distinction between acquired and congenital deafness specifies only the time that the deafne...
   Found op http://www.medterms.com/script/main/art.html?articlekey=10743
   
   
2. 
   Acquired Deafness
   The loss of hearing that develops during an individual's life that was not present at the time of birth. Genetic may or may not be a factor in the condition. An individual can become deaf when exposed to abnormally loud levels of noise or when the internal ear is damaged.
   Found op http://www.pregnology.com/AZ/A/3
   
   

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