Causes and characteristics

To treat hearing loss effectively we need to define the type of hearing loss that the person has. We do this using these three criteria.

  • congenital-hearing-loss-250x250

    When did it occur?

    Congenital hearing loss is present at birth and is caused by genetic factors, maternal health problems or birth injuries

    Acquired hearing loss begins after birth

  • Noise-induced_hearing_loss_250x250

    Is it a temporary condition?

    A medical condition such as a blockage of ear wax can cause hearing loss

    Noise-induced hearing loss can result from exposure to very loud noise. This is also called temporary threshold shift

  • Witch_part_of_the_ear_is_affected_250x250

    Which part of the ear?

    Conductive hearing loss usually comes from a disruption of the sound's path to the inner ear from the outer or middle ear

    Sensorineural hearing loss occurs when the delicate nerve fibres of the inner ear become damaged



Tinnitus is not a type of hearing loss, but many people who suffer tinnitus also have hearing loss without knowing it. Hearing aids and sound therapy can relieve some of the effects of this symptom.

More about Tinnitus

The Inner Ear

Sensorineural hearing loss

This is the most common type of hearing loss and is usually permanent. Sufferers experience that the clarity and amplification of sounds are affected, making people's voices sound like they are mumbling or distorted. It is most commonly caused by the natural processes of aging but can also result from excessive exposure to noise.

Learn more


Congenital hearing loss

Some people are born with hearing loss, which is caused either by genetic factors, during pregnancy, or during childbirth. People with congenital hearing loss suffer from a loss of functionality in the hearing organs, which may only become apparent later in life. Since it can affect a child’s development, it is very important to begin treating it quickly.

Learn more

  • Preventing-hearing-loss

    Treating hearing loss 

  • Signs-of-hearing-loss_380x170

    Signs of hearing loss 

  • How-to-test-for-hearing-loss_380x170

    How to test for hearing loss 

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Types of hearing loss

Whether you were born with impaired hearing or you experienced a gradual loss with age, you can benefit from having hearing aids fitted.