How Does LASEK Work?
LASEK surgery works by sculpting the cornea in a precise manner to correct refractive error. By changing the corneal shape, light becomes focused on the retina, allowing clear vision. During LASEK surgery, the surface cells of the corneal, called the epithelium are loosened with dilute alcohol then folded back away from the cornea. The excimer laser is then applied to the underlying corneal tissue in a precise manner that can correct nearsightedness, farsightedness and/or astigmatism. The epithelial cells are then replaced over the cornea. A contact lens is then placed on the eye to act as a bandage while the surface cells heal back over the cornea, a process which usually takes 5 to 7 days. Some doctors believe that the surface cells heal faster and more comfortably with LASEK than with PRK. What are the main differences between LASEK and LASIK surgery? In LASIK surgery, a thin flap of cornea is made, lifted back then the excimer laser applied underneath to correct the vision. The fla
