It depends on what the cause is - for example, if the child was born with what is termed nerve deafness, they may never hear. Other causes are treatable, see
http://www.disability.vic.gov.au/dsonline/dsarticles.nsf/pages/Deafness_...
It depends on what the cause is - for example, if the child was born with what is termed nerve deafness, they may never hear. Other causes are treatable, see
http://www.disability.vic.gov.au/dsonline/dsarticles.nsf/pages/Deafness_...