Lasik Laser Eye Surgery
Lasik Laser Eye Surgery is a surgical procedure intended to reduce a person’s dependency on glasses or contact lenses. If you have questions about Lasik Eye Surgery, the information at this site will help you.
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Lasik stands for Laser-Assisted In Situ Keratomileusis and is an eye surgery procedure that permanently changes the shape of the cornea, the clear covering of the front of the eye, using an excimer laser. (cont.)
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A knife, called a microkeratome, is used to cut a flap in the cornea. A hinge is left at one end of this flap. The flap is folded back revealing the stroma, the middlesection of the cornea. Pulses from a computer-controlled laser, designed for lasik laser eye surgery vaporizes a portion of the stroma and the flap is replaced. There are other techniques and many new terms related to LASIK that you may hear about.
There are three primary types of refractive errors:
myopia,
hyperopia and
astigmatism
Persons with myopia, or nearsightedness, have more difficulty seeing distant objects as clearly as near objects. Persons with hyperopia, or farsightedness, have more difficulty seeing near objects as clearly as distant objects. Astigmatism is a distortion of the image on the retina caused by irregularities in the cornea or lens of the eye. Combinations of myopia and astigmatism or hyperopia and astigmatism are common.
Glasses or contact lenses are designed to compensate for the eye’s imperfections. Eye Surgery procedures aimed at improving the focusing power of the eye are called refractive surgery. In lasik laser eye surgery, precise and controlled removal of corneal tissue by a special laser reshapes the cornea changing its focusing power.
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