LASIK is a form of refractive laser eye surgery performed by ophthalmologists to correct myopia, hyperopia, and astigmatism. The surgery generally eliminates the need for glasses or contact lenses and is a less painful alternative to photorefractive keratectomy. LASIK is a two step process. First, a flap of corneal tissue is created and folded back to reveal the cornea, which is then remodeled with a laser. What have studies revealed about the safety and efficacy of LASIK? Discuss