Hearing assessments
Your child will be seen by one or two members of audiology team.
The appointment time varies depending on a number of factors
including age. None of the tests are invasive and the majority of
children really enjoy their visit to the Children's Hearing Centre.
We will discuss the results with you at the end of your child's
appointment. We aim to see you on time but occasionally clinics may
be delayed due to factors beyond our control.
Before we test your child's hearing we will ask questions
regarding:
- any concerns you may have about your child's hearing or
speech
- medical history
- other issues relating to their development
- any family history of hearing problems
Testing your child's hearing
We use a range of different tests to assess children's hearing
depending on their age and general development. For babies these
involve automatic tests and your baby needs to be asleep during
this appointment. Children developmentally older than 8 months and
able to sit unsupported will have a test which involves getting
them to respond to sound in some way or playing a game involving
sounds. Your child needs to be awake and alert for these tests. In
addition we can perform a quick, painless test of middle ear
function to help identify the presence middle ear congestion,
eustachian tune function, perforations and blockages in the ear
canal due to wax.
Hearing tests for
babies
Babies who are referred from the newborn hearing screen will be
seen at the Children's Hearing Centre for more detailed diagnostic
testing. One of the tests involves putting a soft tipped ear piece
in your baby's ear. This sends a clicking sound into the ear and
measuring a response. The other test involves putting small sensors
on your baby's head, playing sounds through headphones and
measuring the response on a computer. See the Newborn
hearing screening page of our website for further
information.
Hearing tests for children from about 8 months old
When your baby is able to sit unsupported and turn their head we
are able to make sounds through speakers and/or different types of
earphones. We use toys with lights in the cabinet to reward them
for responding.
Hearing tests for children from approximately 2½ years old
When your child is aged 2 ½ years old or over, we will teach
them to play a game requiring co-operation. For example, putting a
person in a boat, or a peg in a board when they hear a sound.
Hearing tests for children from approximately 3½ years old
When your child is around 3½ years of age, we will use
headphones to test their hearing and ask them to put a peg in the
board or another similar game when they hear a sound. For
older children, we will ask them to press a button in response to
the sound.
We may also perform a speech test to check your child's
understanding of speech. For young children this may involve asking
them to point to different toys. For older children, we may ask
them to repeat single words or sentences.
What does the hearing test measure?
A hearing test measures how the outer, middle and inner ear
respond to sound across a range of sound frequencies (also known as
pitch). We focus on the frequencies important for speech and
language development.
We may use a variety of different ways of playing sounds to your
child. We may use loud speakers, headphones or a bone vibrator.
Each of these allows us to test different parts of your child's ear
and hearing system.
We plot the quietest sound your child can hear (known as hearing
threshold) at each frequency (pitch) of sound on a graph called an
audiogram. This will allow us to record how well your child can
hear. We can give you a copy of your child's audiogram if you would
like.
Otoscopy and Tympanometry
We will look in your child's ears (otoscopy) and takes
measurements from the eardrum (tympanometry). These help in
identifying middle ear congestion, perforations, wax blockages
all of which may affect your child's hearing and comfort.
What happens next?
We will discuss the results of the hearing test with you at the
end of the appointment.
- If your child's hearing is satisfactory, they will be
discharged and we will send a letter back to the person who
referred your child explaining the test results
- We may not be able to complete the full hearing test in one
session, in which case we will arrange a review appointment to
continue the test
- If your child has a hearing loss we will arrange a review
appointment and we will discuss this with you at the time. The most
common cause of hearing loss in children is glue ear, or otitis
media with effusion.
- If your child has a sensorineural (permanent) hearing loss we
will arrange a review appointment to repeat the test and discuss
management options.