Welcome to Eye Surgery Guide
San Francisco Lasik Eye Surgery Article
Guide to eye surgery
Mansi gupta
We all desire to have a perfect vision. However with growing age
or any unfortunate mis-happening an individual's vision may get
distorted. But today science has blessed mankind with several
wonderful techniques to rectify the faulty vision.
1. Flap Procedure treatments- are those where the surgeon
removes the flap in the cornea to have an access to the tissue
underneath. Some of the well known Flap treatments are as
follows-
· LASIK refractive eye surgery is quite a commendable eye
surgery these days. The term LASIK stands for 'laser in situ
keratomileusis' surgery. This treatment is basically meant to
treat nearsightedness (myopia), farsightedness (hyperopia) and
astigmatism (misshapen cornea). LASIK provides a correct vision
through the use of a laser by reshaping the cornea and changing
its focusing power. LASIK usually takes less than one minute per
eye. In USA LASIK surgeries have been performed since 1993.
· Contemporary technique of LASEK or Laser Epithelial
Keratoileusis surgery is also widely in use nowadays. LASEK is
akin to LASIK refractive eye surgery. But unlike LASIK, in LASEK
the surgeon cuts a flap in the epithelium only instead of
through the epithelium and part of the stroma. After this the
surgeon loosens the edges of the flap with the help of alcohol.
The cases that are too sensitive to be treated by LASIK i.e.
where people have thin or flat corneas are operated under the
LASEK. Though LASEK is quite beneficial it has few shortcomings
over LASIK. For instance the after LASEK surgery the patient
feels uncomfortable for a long time and in comparison to LASIK,
LASEK takes more time to heal.
· Epi-LASIK surgery is also a form of LASEK where the flap is
removed only at the epithelium without the use of any blade or
alcohol. In Epi-LASIK the surgeon makes use of a separator,
epikeratome that creates an epithelial sheet. Since there is no
alcohol used in this entire process, the patient feels less pain
in this surgery and heals relatively faster.
· ALK or the Automated Lamellar Keratoplasty surgery is meant to
treat the problem of nearsightedness and mild farsightedness. In
ALK firstly the surgeon cuts a flap in the stroma. Then with the
use of a microkeratome he removes the material under the flap.
This removal is not done in case ALK is taken up to treat
far-sightedness. Usually it takes less than an hour to do the
ALK eye surgery.
2. Photoablation Technique- this requires the use of ultraviolet
radiation to remove the eye tissues. Photoablation is basically
the step that follows LASIK and LASEK surgeries.
· PRK or Photorefractive Keratectomy is a surgery that mainly
treats nearsightedness, mild farsightedness and astigmatism.
Here the surgeon makes the use of an excimer laser to remove the
tissue from the surface of the cornea. The tissue ablation is
taken up to give a new shape and minimize the vision problem.
PRK is not a lengthy procedure. It usually takes less than one
minute per eye.
About the author:
Mansi gupta writes about eye surgery .
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