Four Procedures Commonly Used in Refractive Eye Surgery Essay examples

Four Procedures Commonly Used in Refractive Eye Surgery One of the first things put on in the morning and champion of the last things taken off in the evening, glasses and contacts play a large part in the everyday lives of those who depend upon them to see clearly. These two types of nonindulgent lenses allow for cle atomic number 18r vision, but glasses and contacts atomic number 18 also inconvenient. Sports, especially contact sports, are more difficult to play when glasses get in the office or break. For those who can wear them, contacts are an improvement over glasses wearing contacts for 18 hours a day, however, is not healthy for the contacts or the eyes. Therefore, other methods are desired to correct vision. Ophthalmologists have long dreamed of equipment and techniques to permanently correct refractive problems. For more than 100 years, doctors have been exploring the use of surgery to reduce or eliminate patients dependence on glasses and contacts Refractive, 1997. Thi s dream came true with the 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 eye procedures are clinically being studied radial keratectomy (RK), automated lamellar keratoplasty (ALK), photorefractive keratectomy (PRK), and optical maser in-situ keratomileusis (LASIK). These four common procedures in refractive eye surgery will be compared and contrasted while taking into account the limitations of comparison such as the patient and the extent of the correction needed. Function of the EyeThe human eye is a complex organ with a primary function of focusing decrepit on the retina to provide the sense of sight f... ...ctive and Corneal Surgery (Boston Little Brown and Company, 1996), pp. 10-120. Laser Eye Center, http//www.lasereyecenter.com/ (Madison University of Wisconsin, November 1997). McFadden, Murray, D r. Laser Eye Surgery, PRK, LASIK, http//www.prk.com/ (Madison University of Wisconsin, November 1997). Raeburn, Paul, Keep Your Eye on the Laser, Business Week (30 September 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, booklet (USA The Laser Center Inc., 1997), pp. 7-43.