This author has not yet filled in any details.
So far Yvonne Chan has created 2 blog entries.

Why are my hearing aids whistling? What is causing that noise?

By Yvonne Chan|2021-02-22T09:12:22+13:00February 22nd, 2021|Hearing aids|

Are your hearing aids whistling? What is causing that noise? Acoustic feedback in current

What is that ringing in my ears?

Tinnitus – where is that sound coming from? Tinnitus is the name given to