Laser Eye Surgery Essay

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Laser eye surgery is also referred to as laser corneal sculpting. It’s actually a medical procedure that normally makes use of a laser in order to reshape the surface of the eye. The main aim of undertaking this kind of surgery is to improve or actually correct hypermetropia(long sightedness),myopia(short-sightedness) and astigmatism(uneven curvature of the eye’s surface).Those individuals who undergo laser eye surgery still need to wear glasses or contact glasses regardless of the fact that their natural eye sight will have improved to greater extent.
Laser corneal sculpting procedures were for the first time performed over 30 years ago. The cornea is basically the transparent tissue that cover the front of the eye. It aids in control focusing. …show more content…

Here the surgeon removes the outer layer of the cornea with a surgical blade or a blunt instrument. The Laser beam which is normally guided by a computer is then used to vaporize tiny amounts of tissue under the surface of the cornea. This procedure removes just enough tissue in order to reshape the cornea in a way that corrects vision.
Laser Assisted in situ Keratomileusis
The surgeon first cuts a flap in the cornea with a very sharp blade or a laser, and then lifts it and uses a computer-guided laser in order to remove calculated amount of tissue from the inside layers of the cornea.Afterwards,the flap is put back and the eye heals more quickly compared to the procedure above.
Laser Epithelial Keratomileusis
This is actually a variation of PRK and LASIK. Here the surgeon cuts the epithelium with with a fine blade, and uses alcohol to loosen and lift it in a single layer. The laser beam is then directed at tissue under the epithelium. When the laser procedure is finished, the epithelium is put back in place. This procedure is best suited to vision problems requiring minor correction.
Epi-Lasik
This is basically a modified LASEK whereby the outer layer of the cornea is removed with mechanical device using a blunt rather than a sharp

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