Mixed hearing loss occurs when otosclerosis affects both the auditory ossicles (conductive hearing loss) and the cochlea or hair cells of the inner ear (sensorineural hearing loss). It’s true that bone tissue in the body renews itself as part of a lifelong process known as bone remodeling. But in otosclerosis, this bone remodeling goes awry.

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Otosclerosis is characterised by the abnormal formation of bone within the middle ear that stops these tiny bones from vibrating. This causes hearing loss because the sound waves can’t reach the inner ear. The sense of balance may also be affected if the abnormal bone growth extends into the inner ear. A person with otosclerosis may even hear better in noisy surroundings, possibly because other people's voices are raised in frequency and loudness. Otosclerosis tends to affect the low frequencies as much as the high frequencies. In cochlear deafness the high frequencies are generally much more affected than low frequencies.

How does otosclerosis affect hearing

The issue arises when a small bone in the ear, usually the stapes, gets fixed in one position. When this happens, the bone cannot vibrate and carry sound to the inner ear, which causes full or partial hearing loss. Mixed hearing loss occurs when otosclerosis affects both the auditory ossicles (conductive hearing loss) and the cochlea or hair cells of the inner ear (sensorineural hearing loss). It’s true that bone tissue in the body renews itself as part of a lifelong process known as bone remodeling. But in otosclerosis, this bone remodeling goes awry. Otosclerosis is a type of hearing loss involving the middle ear.

One or both ears can be affected. Symptoms of Otosclerosis can cause mild to severe hearing loss, but it very rarely causes total deafness. Your hearing

Our ear is divided into three parts- the front ear, middle ear, and inner ear. The middle ear is the area behind the eardrum and it has tiny bones, the sound waves are amplified by them.

In conductive hearing loss, the movement of sound (conduction) is blocked or does not pass into the inner ear. This is often as the result of earwax (cerumen) or fluid in the middle ear, although it may also be caused by a burst (ruptured) eardrum or by otosclerosis (see below). Sensorineural hearing loss

When this happens, the bone cannot vibrate and carry sound to the inner ear, which causes full or partial hearing loss. What is Otosclerosis & How Can it Affect Your Hearing. Otosclerosis is a rare condition that disrupts your ability to hear. The issue arises when a small bone in the ear, usually the stapes, gets fixed in one position. When this happens, the bone cannot vibrate and carry sound to the inner ear, which causes full or partial hearing loss. Otosclerosis is a type of hearing loss involving the middle ear.

What triggers otosclerosis is still uncertain. But it often runs in families, and experts consider it an inherited disease. Hearing Loss Related to Otosclerosis Symptoms.
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When this happens, the bone cannot vibrate and carry sound to the inner ear, which causes full or partial hearing loss.

Patients with losses of 60 dB or less and with purely conductive lesions may be able to use aids well. … What is otosclerosis. Otosclerosis is an abnormal bone growth in the middle ear that causes progressive conductive hearing loss. Otosclerosis usually affects the last bone in the middle ear called the stapes (specifically at the footplate of the stapes see Figure 3 below) located at the entrance to the cochlea – the organ that senses sound.
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This process may affect one or both ears. Otosclerosis can also cause a “nerve ” type of hearing loss due to the release of chemicals into the inner ear fluids.

People with otosclerosis find it particularly hard to hear low, deep sounds. In contrast to other causes of hearing loss, it can be easier for them to hear when there is background noise. In conductive hearing loss, the movement of sound (conduction) is blocked or does not pass into the inner ear. This is often as the result of earwax (cerumen) or fluid in the middle ear, although it may also be caused by a burst (ruptured) eardrum or by otosclerosis (see below).