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Laser Procedures

Laser-based procedures such as LASIK and PRK correct refractive errors by reshaping the curve of the cornea (the clear front window of the eye) to move the point at which light is focused onto the retina.

In LASIK, a laser (femtosecond laser) or a surgical blade (microkeratome) creates a thin flap in the cornea. Next, an excimer laser sculpts the underlying cornea into a new shape to correct the refractive error. The flap is then repositioned and adheres on its own without sutures after only a few minutes. Eyedrops and/or ointment are placed in the eye to facilitate the healing process. Vision recovery typically is rapid, and there is little or no post-operative pain.

Epi-LASIK (Epithelial LASIK) and Wavefront-Guided LASIK are basically the same procedures, performed with slight variations depending on how thin your cornea is or what time of imperfections your eye can have.

PRK (Photorefractive Keratectomy) and LASEK (Laser Epithelial Keratomileusis) are similar to LASIK in that they both shape the cornea but these procedures replace the the surface layer (the epithelium) after surgery. A bandage contact lens is usually placed on the eye to speed the healing process. They work better for people with thin cornea or whose occupation makes it more dangerous to have a flap.