Photorefractive Keratectomy (PRK) combines state-of-the-art computer technology with advanced laser precision. PRK uses a laser to change the shape of the cornea, improving the way light rays are focused on the retina.

The Excimer laser corrects astigmatism by using an elliptical, or oval, rather than a circular beam. This allows precise sculpting of the surface of the cornea. The Excimer laser is unique because it emits a cold light beam, and does not weaken the structure of the cornea.

PRK is an outpatient procedure that usually takes about 10 minutes to complete. Dr. Assil uses the only system of surgeon-monitored 3D eye tracking to further maximize treatment accuracy. Immediately after the laser treatment, a bandage contact lens is placed over the eye for comfort. The epithelium (the outer layer, or "dead skin") of the cornea will heal within 24-72 hours after the procedure. The bandage contact lens will be removed when the epithelium has regenerated. Some patients see a dramatic improvement in their vision the first day. For others, vision may improve more gradually and might fluctuate mildly for several weeks to several months. This fluctuation is part of the healing process and as healing progresses, stabilization occurs. Most patients return to normal activities within two to four days.