Batteries – IIC batteries need to be changed every 4 – 7 days.The hearing aid will then be programmed for your hearing levels. Once the exact fit Lyric has been selected it will be inserted by your HHP with the Lyric insertion tool. Your HHP will then measure your ear canal for the correct Lyric size. As no impression is required of the ear canal, it can be fitted once your ear has been determined as acceptable for a Lyric. Instead a thorough inspection of the ear canal with a high magnification device is required to determine where the hearing aid should sit deep and comfortably in the ear canal. An extended wear invisible hearing aid, such as the Lyric, doesn’t require an impression. It takes a few minutes to set and then is sent off to the manufacturer. An impression of your ear involves placing a foam or cotton block deep in your ear canal and then a putty-like impression material is syringed into your ear canal.
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