Unilateral hearing loss (in one ear)

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What is unilateral hearing loss?

Unilateral hearing loss (UHL) is when a person experiences normal hearing in one ear and hearing loss in the other ear. In contrast, bilateral hearing loss is when hearing loss is experienced in both ears.

Unilateral hearing loss, sometimes referred to as single-sided deafness (SSD) or deafness in one ear, is a form of hearing loss that affects millions of people all around the world.

Would a hearing assessment be relevant for you?

Illustration shows unilateral hearing loss
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Book a complimentary assessment for unilateral hearing loss

Schedule a complimentary hearing assessment to find out if you have unilateral hearing loss (or any other type of hearing loss). We can suggest treatment options and help you understand your condition better.

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Symptoms of unilateral hearing loss

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Inability to follow conversations from the ear with hearing impairment
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Inability to understand speech and conversations amidst background noise
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Inability to localize which direction sounds are coming from
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Causes of unilateral hearing loss

There are a number of recognized causes of unilateral hearing loss, including:

  • Mastoiditis
  • Mumps
  • Waardenburg syndrome
  • Ménière's disease
  • Meningitis
  • Microtia
  • Labyrinthitis
  • Measles
  • Acoustic neuroma
  • Physical trauma

Age-related hearing loss (Presbycusis) 

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Treatment for unilateral hearing loss

There are many effective treatment options for unilateral hearing loss available, although the results of treatment depend on a broad range of factors and circumstances.

Typical treatments include:

  • Hearing aids
  • Bone-anchored hearing systems
  • Cochlear implants

Book a hearing assessment to learn about your hearing needs and discuss potential treatment options with a hearing care expert.

 

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Conductive vs. sensorineural unilateral hearing loss

Unilateral conductive hearing loss

Conductive hearing loss occurs when sounds cannot pass freely through the eardrum or past the tiny bones, known as ossicles, in the middle ear. This is due to a breakdown in the effectiveness of sound waves being sent from the outer ear.
Conductive hearing loss


Unilateral sensorineural hearing loss

Sensorineural hearing loss, on the other hand, occurs when there is damage to the hair cells in the cochlea (found in the inner ear) or to the nerve pathways which lead from the inner ear to the brain. A person may also suffer from mixed hearing loss, which is a combination of conductive and sensorineural hearing loss.
Sensorineural hearing loss