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Contact Lenses
Eye Surgery
Laser
Eye Surgery
Laser eye surgery can correct common vision problems. With refined
techniques and specialty equipment. These procedures generally
involves the reshaping of the cornea to alter the way and place
light enters the eye. Results are usually favorable with these
procedures, however patients may not achieve the perfect vision
they want. In these cases, patients may want to wear contact
lenses or glasses. Even if patients have worn contact lenses
before the surgery, they will require a new prescription and
new fitting due to changes in the eye. The new prescription
may be for soft or disposable contact lenses in a specialty
variety because of altered eye and cornea shape.
Photorefractive Keratectomy
Photorefractive Keratectomy or PRK is a recent eye surgery development,
where the shape of the cornea is modified. Where the older procedures
used the surgeons scalpel to make cuts into the cornea of the
eye, PKR uses an excimer laser to sculpt the cornea. The area
covered by the laser is approximately 5 - 9 millimeters in diameter,
and removes from 5 - 30% of the cornea depth. By reducing the
invasiveness of the procedure, the practitioner can make very
detailed changes to the cornea, and there is little trauma to
the cornea and surrounding eye tissue.Because of the advancements
in this laser sculpting technology, there are other applications
that can treat Myopia, Hyperopia, and some types of Astigmatism.Only
your eye care practitioner can help you decide is this surgery
is right for you. Your eye care professional can discuss the
benefits, and the safety and health risks, involved in this
and any other procedure.
LASIK
LASIK stands for Laser-Assisted In Situ Keratomileusis.
It is a procedure that changes the shape of the patient cornea
using an excimer laser. This procedure can provide permanent
changes to the eye and therefore permanent changes to vision.
In LASIK surgery, a knife called a microkeratome is used to
cut the cornea. This cut produces a thin flap of cornea that
is 'hinged' on one side. The laser then removes a thin layer
of material under the flap, and the flap is replaced and allowed
to heal.As with any surgery, there are risks involved. Discuss
this procedure with your eye care professional if you have any
questions.
Laser Thermokeratoplasty
Laser Thermokeratoplasty or LTK is a laser eye surgery for people
with Hyperopia or farsightedness. In this procedure, the laser
is used to heat small dot like areas on the cornea. This causes
the cornea to expand and reshape.
For these and other eye surgery options, contact your eye care
practitioner.
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