What Is Lasik and What Does Laser Vision Corrective Surgery Involve?
Lasik stands for Laser Assisted In Situ Keratomileusis and is a type of refracted laser eye surgery used to correct most forms of near sightedness, far sightedness, and astigmatism. It has become a very popular alternative to wearing corrective eyeglasses or contact lenses. The operation is performed by an ophthalmologist who creates a thin flap on the surface of the eye using a specialized blade, and uses a special excimer laser machine to modify the eye tissue underneath the flap. After the laser has corrected the vision surface, the flap is then returned to its normal position where healing commences fairly rapidly. The procedure is usually performed with the patient awake, sitting in an operation chair with the head rest tilted back. Anesthetic eye drops are used to numb the eyes while the surgery is underway. There is usually little to no pain involved other than temporary dryness or mild soreness in the eyes after the procedure. Functional recovery occurs within a day but permane