by Arthur Boothroyd
It’s easy enough to restore 20/20 eyesight with glasses or contacts. But even state-of-the-art digital hearing aids can’t perfectly restore hearing for people whose inner ears have been damaged by noise exposure, medications or just the wear and tear of aging. Part of the problem is that this kind of sensorineural hearing loss — the result of permanent damage to the sensory cells of the inner ear — does more than just make sounds quieter. It can jumble the sounds, too, in ways that garble speech. Continue reading