Image Source:marshfieldclinic.org
Otosclerosis is described as an abnormal growth of the bone in the middle ear. It prevents certain parts within the ear from working properly. It can cause hearing loss. and for some people with this condition, the hearing loss can be severe. So, how does otoclerosis impede hearing? Otosclerosis can cause different types of hearing loss. It greatly depends on the certain part of the ear structure that is affected. But commonly, it affects the last bone in the chain called, the stapes. It is located in the entrance to the inner ear or the oval window. The affected bone fixates the stapes on the oval window which is essential for the passing of sound waves into the inner ear. Otosclerosis also causes conductive hearing loss. A type of hearing loss mainly caused by a problem in the outer ear. This condition also can cause another type of hearing loss called Sensorineural hearing loss. Mainly caused by damaged sensory cells and nerve fivbers in the ear.