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Orthokeratology
is a non-surgical way to clear vision without the need to
wear spectacles or contact lenses during the day
Orthokeratology,
also known as Overnight Vision Correction, is a vision
correction therapy that enables clear vision without the need
to wear contact lenses during the day. This is achieved by
wearing specially designed contact lenses during the night
which flatten the cornea, resulting in clear vision during
the day. Overnight Vision Correction is a safe and reversible
procedure, without the risks of refractive laser surgery.
How
Does Orthokeratology Work?
Specialist
corneal mapping equipment and software is used to determine
the shape of your cornea and then calculate the extent of
corneal flattening that needs to occur to neutralise the focusing
error or your eye. Gas permeable contact lenses will then
be made using the data obtained from your corneal measurements.
These are worn at night when you are asleep. Should you wake
in the night, you will be able to see clearly in the lenses.
You will also be able to see when you wake in the morning.
The lenses are removed during waking hours and once the effect
is complete, you will be able to see clearly throughout the
day.
Who
Is Suitable?
Short-sighted
people who prescription is between -0.75D and -5.00D with
astigmatism up to -1.50D.
- Those
who want the freedom of clear natural vision during the
day.
- Those
with comfort issues where soft contact lenses have caused
dryness and irritation of the eyes in the past, and are
thus not suitable.
- Those
for whom spectacles are troublesome during sporting or recreational
activities.
- This
procedure is especially suitable for children or those whose
prescription is still changing.
How
Quickly Will it Work?
After
the first night most of the correction has been achieved.
Usually within a week your sight during the day will be clear
and you will no longer be reliant on spectacles or contact
lenses.
Is
Orthokeratology Safe?
Yes.
The contact lenses are made using a highly oxygen permeable
material, which makes night-time wear very safe. Plus research
and experience has shown that the process of corneal reshaping
is completely reversible with discontinuation of contact lens
wear. The cornea will return to its original shape with cessation
of contact lens wear, and clear vision in spectacles will
return.
What
will It Cost?
The fitting fee includes:
- A
full eye examination to determine your exact prescription
- Intraocular
pressure measurement
- Visual
field investigation
- Careful
internal and external examination of your eyes
- Any
further investigation that may be necessary given your medical
history and family ocular history
- The
fitting of the Orthokeratology lenses
- The
first pair of lenses
A
monthly direct debit fee provides for:
- Six
monthly routine aftercare appointments
- Other
follow-up appointments as necessary
- A
new pair of lenses every six months
- A
spare set of lenses
i-GO
OVC ® Accredited
All
of our optometrists have completed the i-GO accreditation
training course and use the latest advanced equipment and
software to fit and monitor treatment. David Austen Optometrists
are the exclusive fitters of i-GO OVC lenses in the area.
For
more information about i-GO OVC contact lenses, please visit
the i-GO website at :
David
Austen Optometrists have been members of the British
Orthokeratology Society since its foundation and further
details may be found on their website at:
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