October 23, 2009 by ljcp01
If you or a family member wears a hearing aid that has a feedback (whistling or chirping noise) problem, it can not only impair the users ability to hear, but also for those around them.
It can soon develop into an emotional distress that if not taken care of, may lead to isolation.
There are different cause for feedback, but the most common one is the hearing aid mold, or shell, not fitting properly. Here are some ways you can check for fit problems and possibly fix them too:
a) Test for
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