OTC Self-Fitting of Hearing Aids – Part II

Until recently, hearing aids supposedly weren’t able to be purchased over-the-counter (OTC). Instead, consumers had to have a professional evaluate their hearing loss, set the hearing aid’s performance, and teach proper use.  However, recent OTC sales of hearing aid legislation has opened the door to focus on OTC self-fitting of hearing aids.   Why is…

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Human Ear Concha Dimensions – Part 4

It is interesting that although many products have been designed to be worn in the ear, there is little information specifically about the ear concha dimensions of the outer ear, the most likely location for placement and retention.  This would seem to be of much more significance than many other ear measurements that have been…

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