Tag: Denise Keenan

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Efficacy of an Open-Fitting Hearing Aid

Although vent diameter decreases the directivity index of a directional hearing aid, a significant directional and noise reduction benefit is still available even with an open fitting. This study suggests that open fittings appear to be most beneficial (or least compromising) for people with milder hearing losses, or precipitous loss with normal low-frequency hearing where SNR loss may be milder.

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