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Causes of Hearing Loss

Hearing loss can happen suddenly or gradually. Sometimes there’s an underlying
medical reason, but for the most part, it’s simply age-related, and/or the result of
being exposed to loud noises over time.

Hearing Loss

Hearing loss can happen suddenly or gradually. Sometimes there’s an underlying
medical reason, but for the most part, it’s simply age-related, and/or the result of
being exposed to loud noises over time.

Hearing Loss

01 The Outer Ear

Sound waves enter the outer ear and travel through
the ear canal to the eardrum, causing it to vibrate.

02 The Middle Ear

This part of the ear is unaffected by hearing loss. The
vibrations travel to the eardrum, which is connected to
three tiny bones in the middle ear called
ossicles. The ossicles naturally amplify the sound
before it enters
the inner ear.

03 The Inner Ear

This part of the ear contains a fluid-filled cochlea
lined with thousands of tiny hair cells. With more
common hearing losses, hair cells can be damaged
or missing along the cochlea. The frequency and
severity of hearing loss depends on both the location
and number of missing or damaged hair cells.

04 The auditory nerve

Impulses from the remaining intact hair cells travel
up the auditory nerve to the brain. Here, the brain
may have difficulty interpreting the sound due to the
limited acoustic information that can be provided by the
functioning hair cells.

Conductive Hearing Loss

  • Malformation of outer ear, ear canal, or middle ear structure
  • Fluid in the middle ear from colds
  • Ear infection (otitis media – an infection of the middle ear in which an accumulation of fluid may interfere with the movement of the eardrum and ossicles)
  • Allergies
  • Poor Eustachian tube function
  • Perforated eardrum
  • Benign tumors
  • Impacted earwax
  • Infection in the ear canal
  • Foreign object in the ear
  • Otosclerosis (a hereditary disorder in which a bony growth forms around a small bone in the middle ear, preventing it from vibrating when stimulated by sound

Conductive Hearing Loss

  • Malformation of outer ear, ear canal, or middle ear structure
  • Fluid in the middle ear from colds
  • Ear infection (otitis media – an infection of the middle ear in which an accumulation of fluid may interfere with the movement of the eardrum and ossicles)
  • Allergies
  • Poor Eustachian tube function
  • Perforated eardrum
  • Benign tumors
  • Impacted earwax
  • Infection in the ear canal
  • Foreign object in the ear
  • Otosclerosis (a hereditary disorder in which a bony growth forms around a small bone in the middle ear, preventing it from vibrating when stimulated by sound

Sensorineural Hearing Loss

  • Exposure to loud noise (preventable but not reversible – see more about prevention)
  • Aging (presbycusis)
  • Head trauma
  • Virus or disease
  • Autoimmune inner ear disease
  • Heredity
  • Malformation of the inner ear
  • Ménière’s disease
  • Otosclerosis
  • Tumors

Sensorineural Hearing Loss

  • Exposure to loud noise (preventable but not reversible – see more about prevention)
  • Aging (presbycusis)
  • Head trauma
  • Virus or disease
  • Autoimmune inner ear disease
  • Heredity
  • Malformation of the inner ear
  • Ménière’s disease
  • Otosclerosis
  • Tumors

Mixed Hearing Losss

Mixed hearing loss is caused by a combination of conductive damage in the outer or middle ear and sensorineural damage in the inner ear (cochlea) or auditory nerve.

Mixed Hearing Losss

Mixed hearing loss is caused by a combination of conductive damage in the outer or middle ear and sensorineural damage in the inner ear (cochlea) or auditory nerve.

Hearing Loss Questions

Often, people who believe they are experiencing hearing loss have many questions. They want to know symptoms to watch out for, if their hearing loss is permanent or can be treated, and whether or not they’ll be able to use – or even afford – a proper hearing aid. At 20dB Hearing, we hear these questions every day, and our staff of experienced audiologists are trained to help you every step of the way. If you don’t see your specific question listed on our FAQs page, please do not hesitate to book an appointment to speak with us in person.

Find your best hearing aid with the help of qualified and experienced audiologist for free.

Get started by calling 1800882032 or WhatsApp or fill out the form of Book an Appointment and our representative will contact you as soon as possible.