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Types of Hearing Loss


Conductive Hearing Loss

Conductive hearing loss is the result of abnormality to the outer or middle ear, which blocks the normal transmission of sound to the inner ear.

Common causes include:

  • Impacted earwax
  • Middle ear infection
  • Perforated eardrum
  • Otosclerosis

Conductive hearing loss can usually be treated medically or surgically. For patients who are not suited for such treatments, hearing aids or advanced middle ear implantable devices can be used to improve hearing ability.

Sensorineural Hearing Loss

Sensorineural hearing loss is the most common form of hearing impairment. Such loss tends to be permanent and occurs as a result of damage to the sensory parts of the inner ear and/or the neural system, while the mechanisms of the outer and middle ear remain intact.

Common causes include:

  • Presbyacusis (age-induced)
  • Noise induced
  • Ototoxic medication
  • Viral or bacterial infection

Hearing aids or advanced implantable devices can be used to improve the hearing ability for this group of patients.

Mixed Hearing Loss

mixed hearing loss

Mixed hearing loss is hearing loss caused by a combination of both conductive and sensorineural elements (i.e. the outer and/or the middle ear, as well as the inner ear). For this group of patients, hearing aids and advanced implantable devices can be used to improve the hearing ability.


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