Patient progress can then be monitored as they learn to hear with their new device. Post-operative testing is usually administered three, six, nine, and twelve months after implantation. Annual evaluations are administered thereafter to continue monitoring progress. Successful treatment results in an individual no longer being aware of their tinnitus. Hyperacusis is a decreased tolerance of sound and can be a serious problem.
Some patients experience hyperacusis without tinnitus.
A modification of Tinnitus Retraining Therapy can totally or partially restore the normal level of sensitivity to sound.