Conductive hearing loss occurs when the passage of sound is blocked in either the ear canal or in the middle ear.
People with conductive hearing loss have sound levels reduced on the way to the cochlea in the inner ear.
Types of conductive hearing loss
There are several types of conductive hearing loss. Some types of conductive hearing loss can be corrected with hearing aids. If the Corti organ in the cochlea functions normally, hearing aids can help transmit sound in in the outer or middle ear. Other types of conductive hearing loss can be treated medically or surgically.
What are the symptoms?
People with conductive hearing loss will find soft sounds difficult to hear at all pitches, both low and high.
Causes of conductive hearing loss
Conductive hearing loss can be caused by the following factors:
- Accumulation of ear wax
- Otitis media – A middle ear infection
- Cholesteatoma – A growth in the middle ear
- Otosclerosis – An abnormal bone growth near the middle ear