The LASIK, (laser in situ keratomileusis), process has been used for ten years now, to treat myopia, hyperopia and astigmatism. In 1995, with the approval of PRK, the procedure became more widely available in the United States as an off-label use of the excimer laser. In this procedure, the surgeon cuts a hinged corneal flap composed of the outermost 20-25 percent of the cornea's thickness. The computer-controlled excimer laser then reshapes the underlying exposed cornea. This minimizes discomfort and promotes rapid recovery. The surgeon then puts the flap back into place.

Glaucoma affects approximately 3 million Americans and over 120,000 will go blind from this disease. Glaucoma ranks as a leading cause of blindness worldwide. And when it does not cause blindness, it can severely impair vision. There are two major types of glaucoma: Other variations include congenital glaucoma, pigmentary glaucoma and secondary glaucoma. There are no warning signs of Chronic glaucoma. About half of Americans with chronic glaucoma don't even know they have it. Glaucoma gradually reduces your peripheral vision.