Laser Vision Correction Surgery

Imagine being able to work, drive, and play sports without having to depend on glasses or contact lenses. Refractive surgery may make this a reality for
you. You and your eye doctor can determine whether you’re a good candidate for refractive surgery.


Clear vision depends on how well the cornea and lens permit light rays to fall onto the retina. Light rays must be refracted (bent) to focus on the retina. The retina is the light-sensitive nerve layer that lines the back of the eye, which creates impulses from the light rays that are sent through the optic nerve to the brain.

If the cornea or eye shape is abnormal, vision can become blurry because light does not fall properly on the retina. Called a refractive error, an abnormal cornea shape can often be corrected by refractive eye surgery, which, in turn, corrects the vision problem. Refractive errors can include myopia (nearsightedness), hyperopia (farsightedness), astigmatism (an irregularly shaped cornea which causes blurring), and presbyopia (similar to hyperopia, a condition which causes the lens to harden).

The goal of most refractive eye surgeries is to reduce or eliminate a person's dependency on eyeglasses or contact lenses. Refractive eye surgery is not for everyone. One type of surgery may be more suitable for one person than another. Always consult your physician for a diagnosis and to discuss which type of surgery, if any, may be appropriate for you.

There are several types of corrective surgical procedures for refractive errors, including, but not limited to:
•    laser epithelial keratomileusis (LASEK) surgery
•    photorefractive keratectomy (PRK)
•    radial keratotomy (RK)
•    astigmatic keratotomy (AK)
•    automated lamellar keratoplasty (ALK)
 

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