What
is glue ear?
Glue
ear is a condition where the middle ear fills up with a gluelike
fluid.
Glue
ear is caused by a blockage of the eustachian tubes. These tubes drain
fluid down from the middle ear to the back of the nose and throat and
allow air into the middle ear. When the tubes are blocked, a build up
of gluelike liquid in the middle ear may occur. The eardrum can
no longer vibrate properly and hearing is affected (see Fig 2)
Blockage
of the eustachian tubes may be caused by blocked noses, colds, enlarged
adenoids, allergies or irritation of nasal passages.
To
allow air back into the middle ear, the fluid may have to be drawn out
and ventilation tubes called grommets inserted into the
eardrum. Once the air returns to the middle ear, hearing usually returns
to normal. (see Fig 3)
Hearing
loss in young children can seriously affect their speech, their play,
their development and their progress at school.
[Excerpt]