Symmetrical vs Asymmetrical Hearing Losses

By Marshall Chasin, AuD. This post was originally published in Hearing Review and appears here by permission. I can’t tell you how often I have had the following conversation with someone at the Worker’s Compensation Board (also known as the Worker’s Safety and Insurance Board, in some jurisdictions) on behalf of a worker. Marshall: “Hello.…

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Single Sided Deafness

Single Sided Deafness (SSD) refers to significant and usually permanent hearing loss in one ear. It is thought to affect at least 9,000 new people in the USA each year. Its most common cause is sudden deafness, which overwhelmingly results in SSD rather than bilateral deafness. Acoustic neuroma – a slow growing benign tumour of…

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