As a consumer advocate for hearing care in Canada, I've spent the last couple years working on a plan to bring high quality, affordable hearing aids and related in-person services to the Ontario marketplace.  Hearing loss affects 10% of the population but only 1 out of 5 people with hearing loss purchase hearing aids.  The industry claims that those who don't buy are just not ready.  I believe it's more a question of cost/benefit for the "private pay" consumer.  Read more at HearingClinics101.org