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WHAT CAUSES A BLOW-OUT FRACTURE?
An orbital fracture is typically caused when a
fist or ball strikes the eye. It can also be due
to a motor vehicle accident, where the eye strikes
the dashboard of the car. Any other blunt trauma
to the eye which increases the pressure inside
the orbit can also cause this type of injury.
WHAT ARE THE SYMPTOMS OF A BLOW-OUT FRACTURE?
Symptoms include bruising around the eye, protrusion
of the eye and/or numbness of the cheek, upper
lip and gum. Some patients may notice double vision.
The double vision, if present, may be constant
or only in certain eye positions (e.g. double
vision apparent only when looking up).
Dr Martin and his orthoptist will perform a complete
eye examination to determine whether any further
damage to the eye has been sustained. A CT scan
will also be required to assess the extent of
the fracture.
WHAT IS THE TREATMENT FOR A BLOW-OUT FRACTURE?
Based on the complete evaluation, Dr Martin may
recommend surgical correction of the blow-out
fracture. However, not all blow-out fractures
have to be repaired surgically. There are several
factors which influence the indication and timing
of surgery. These include: the persistence of
double vision, the presence of enophthalmos (i.e.
the eye appears shrunken in the orbit as the swelling
subsides), the involvement of eye muscles and
the size of the fracture.
With this type of condition early surgery is of
great significance and patients must be seen within
a few days after the injury for a higher surgical
success rate.
WHAT CAN I EXPECT AFTER SURGERY?
As each case is different, please ask Dr Martin
what you should expect following surgery. Generally,
some patients may experience post-operative discomfort,
which can be relieved by analgesics. Bruising
and swelling may be expected which will likely
resolve within 2-3 weeks. The enophthalmos should
improve after surgical correction of the blow-out
fracture. The double vision and numbness of the
cheek, upper lip and gum should improve with time
as the swelling and bruising subside.
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