Corrective Eye Surgery

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Until contact lenses were popularized in the 1950s, eyeglasses for the past seven centuries had been the only practical way to correct vision errors. Now, several modern approaches to corrective eye surgery range from laser reshaping of the eye's surface to surgical insertion of artificial lenses to correct eyesight. In corrective eye surgery, laser energy reshapes the curvature of the eye's clear front surface, the cornea, to alter the way light rays enter the eye. Artificial lenses surgically inserted into the eye also can refocus light rays to sharpen vision. In the surgery process, lasers are utilized to operate on the cornea and fix the parts of your eyes that don’t work, so that your eyesight becomes improved. The whole process of corrective eye surgery usually takes only a few minutes, depending on the patient’s present state of health. No matter how bad your eye sight was, after finishing the eye surgery treatment your eyesight result in a better vision. Many people are able to see things close up, far away or even perfectly. A condition where a person’s uncorrected vision is only clear up close is myopia. Instead of the light focusing on the retina, it focuses in front of the retina. A myopic person can read a magazine, however their distance vision is blurry. Hyperopia, commonly referred to as farsightedness, is when a person sees better in the distance than at near. Light entering the eye focuses behind the retina placing a blurry image on it. A person is emmetropic when an image focuses clearly on the retina allowing them to have uncorrected “normal vision”. Although, many people feel that astigmatism is a bad, progressive disease, it only focuses on two points in the back eye due to its shape. An eye with astigm... ... middle of paper ... the wavefront treatment was more accurate than the LASIK surgery. In particular, wavefront LASIK has provided a quantum leap for people seeking correction of glares, shadows, and decreased night vision. Works Cited Haddrill, Marilyn. "Corrective Eye Surgery Basics -" All About Vision - Complete Consumer Guide About Vision and Eye Care. N.p., n.d. Web. 14 Mar. 2012. . "LASIK Laser Eye Surgery: Procedure, Recovery, and Side Effects." WebMD - Better information. Better health.. N.p., n.d. Web. 14 Mar. 2012. . "What Is Corrective Laser Eye Surgery?." Corrective Lasik Laser Eye Surgery Info Center. How It Works. What's The Costs.. N.p., n.d. Web. 14 Mar. 2012. .
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