Four Procedures Commonly Used in Refractive Eye Surgery Essay examples

Four Procedures Commonly Used in refractile sum Surgery One of the first things put on in the morning and one of the last things taken off in the evening, glass and contacts romance a large part in the everyday lives of those who number upon them to see clearly. These two types of corrective lenses allow for cle ber vision, but glasses and contacts are also inconvenient. Sports, especially contact sports, are more than difficult to play when glasses get in the way or break. For those who can snap them, contacts are an improvement over glasses wearing contacts for 18 hours a day, however, is not healthy for the contacts or the middles. Therefore, other methods are desired to correct vision. Ophthalmologists have long dreamed of equipment and techniques to permanently correct deflective problems. For more than 100 years, doctors have been exploring the use of surgery to reduce or exceed patients dependence on glasses and contacts Refractive, 1997. This dream came true with t he introduction of refractive surgical techniques for the correction of myopia and astigmatism. In refractive surgery, various micro-surgical procedures are used to re-shape the front surface of the cornea. Four main refractive sum procedures are clinically being studied radial keratectomy (RK), automated lamellar corneal graft (ALK), photorefractive keratectomy (PRK), and laser in-situ keratomileusis (LASIK). These four common procedures in refractive eye surgery will be compared and contrasted while taking into account the limitations of equality such as the patient and the extent of the correction needed. Function of the EyeThe human eye is a complex organ with a uncomplicated function of focusing light on the retina to provide the sense of mess hall f... ...ctive and Corneal Surgery (Boston Little Brown and Company, 1996), pp. 10-120. optical maser Eye mall, http//www.lasereyecenter.com/ (Madison University of Wisconsin, November 1997). McFadden, Murray, Dr. laser Eye Su rgery, PRK, LASIK, http//www.prk.com/ (Madison University of Wisconsin, November 1997). Raeburn, Paul, Keep Your Eye on the Laser, Business Week (30 family 1996), p. 40. Refractive Surgery Frequently Asked Questions, http//www.isrs.org/library/faq (Madison University of Wisconsin, November 1997). Sanders, Donald, Radial Keratotomy (Thorofare SLACK Incorporated, 1984), pp. 1-16. Sulting, Dr., Laser In-situ Keratomileusis (LASIK), http//www.emory.org/vision_correction/ (Madison University of Wisconsin, November 1997). Understanding Laser Vision Correction, pamphlet (USA The Laser Center Inc., 1997), pp. 7-43.