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eLearning Series:
Lasik Eye Surgery Questions & Answers
( 50 articles
in this series )
Rejected
Lasik Candidates: Your Options
In
order to receive Lasik surgery, a doctor will first test to
make sure that you are qualified. This includes removing
tissue from the cornea of your eye. If your corneas are too
thin, then you won’t be able to have Lasik surgery. You also
may not be able to receive Lasik surgery because of myopia,
or nearsightedness. It is harder to correct certain types
of vision with Lasik surgery, meaning that you may not be
able to receive the surgery. Because of this, as well as
other reasons, there are other options that have been created
and are available for you.
For
those not wanting to consider surgery at all, contact lenses
or eyeglasses are always available. Many contact lenses
are being made to better fit eyes and not irritate as much.
They are being made more durable and resistant to outside dust
and buildup, which helps with vision if another type of surgery
doesn’t want to be considered. While some may be more sensitive
to contact lenses, it is always an option for those who have
determined that they are not ready to receive a surgery.
However, if you don’t want to have eyeglasses or contacts
and can’t receive Lasik surgery, then it is possible
to consider lens implants. This is best if you have nearsighted vision.
This type of implant occurs through a small incision being
made by the lens. The lens, like a contact, is then inserted
into your eye through this incision. This is then secured in
your eye through the use of a special tool so that it will
stay in the iris of the eye. The lens will then stay in the
eye without you having to care for it. If needed, it can be
taken out or replaced. Lens implants aren’t as permanent as
Lasik surgery, but are easier to care for than the eyeglasses
or contacts. Unlike Lasik surgery, if something goes wrong
during the lens implants, or if they are not being effective
as expected, then they can simply be taken out or replaced.
Another
type of surgery that is available is known as photorefractive
keratectomy, also known as PRK. This is another type of refractive
surgery that can be used for eyesight. It reshapes the cornea
by taking out tissue from the outer surface. It does this by
using an ultraviolet beam of light. This procedure does not
take any more than a few minutes and is done only by the use
of technology, as opposed to cutting that is offered in both
the lens implants and Lasik surgery.
Another
type of technological surgery that can be used is laser
thermal keratoplasty, also known as LTK. This
procedure involves taking the cornea and removing parts
of the outer part. In
response, this shrinks the tissue around the cornea, allowing
for better eyesight. This treatment is considered more temporary
than the other procedures, as the tissue can easily grow back
into place. However, if there is little loss of drawbacks that
occur more easily in the other surgeries, such as a loss of
eyesight or infection.
One
more type of improved eyesight options is orthokeratology,
or Ortho-K. This takes the RGP contact lenses or soft lenses
and changes them in order to match the shape of the cornea,
making them less irritable. The cornea can then temporarily
reshape for better vision, causing the lenses to have to be
worn less every day than usual. While this takes several months
in order to change vision, and is not permanent, it is one
option for those not wanting to go through a surgery to correct
their vision.
For
those who are nearsighted, a surgery known as corneal ring
segments is available. These are plastic polymer pieces
that are placed in the cornea, causing the cornea to reshape,
similar to the Ortho-K. The cornea is then able to become flatter
and can focus light easier than before. This procedure, while
similar to the lens implants, is not permanent, and is still
being tested for its effectiveness.
There are several different types of surgery in which you
can receive, all which can help improve your vision either
on a permanent or temporary basis. If you are not approved
for Lasik surgery, there are several other options to consider
trying and continuing to improve your vision.
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: 2006
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