Laser Vision Correction . . . Is it Right for You?
The
best decisions are informed decisions.
Laser vision correction is a surgical procedure, so the decision to have it
should be made carefully.
The Procedure
Laser vision correction is an advanced method for
correcting nearsightedness (myopia), astigmatism, and farsightedness
(hyperopia). An excimer laser applies pulses of cool ultraviolet light to
reshape the cornea, or front surface of the eye, to match the prescription in
your glasses or contact lenses. The excimer laser is used for the two most
common laser vision correction outpatient procedures: laser-assisted in-situ
keratomileusis (LASIK) and photorefractive keratectomy (PRK). Although, both
procedures are effective and produce similar results, LASIK is performed over 90
percent of the time. Frequently
Asked Questions and Risk information is also
available. These pages also have many additional videos.
LASIK
(Laser-In-Situ-Keratomileusis)
During
LASIK, the surgeon creates a corneal flap revealing the inner corneal tissue.
This flap is folded back while the excimer laser is applied to the inner layers
of the cornea. These inner layers are reshaped to duplicate your contact lens or
glasses prescription. The flap is folded back and heals naturally and securely.
PRK (Photorefractive
Keratectomy)
During PRK,
the excimer laser is applied to the surface of your cornea to reshape the eye's
curvature. This is done by removing the protective surface layer (epithelium)
from the eye. This epithelial layer is regenerated after five days.
The Difference Between LASIK and PRK
* Years procedure has been performed in the United States. |
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