LASIK stands for Laser Assisted In Situ Keratomileusis. This literally means, "to shape the cornea within, using laser." For some patients, Laser Assisted In-Situ Keratomileusis (LASIK) is the best way to achieve natural vision.
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In the Normal Eye, light travels from an object, through the cornea, and is focused on the retina for clear vision.
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A Myopic eye (nearsightedness) is slightly longer or has a cornea that is steeper than normal. Light travels from an object and through the cornea to become focused in front of the retina causing it to be blurred.
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For example: Nearsightedness or myopia occurs when light rays entering the eye are focused in front of the retina instead of directly on it. Myopia is usually a result of the curvature (power) of the cornea being too strong or the length of the eyeball being too long.
During the LASIK procedure, microscopic layers in the cornea are removed, resulting in a "flatter" corneal surface, thus allowing images to fall directly on the retina in the back of the eye, to create improved, natural vision.
Prior to the LASIK procedure, drops are placed on the eye to numb the cornea. The entire treatment takes only about 15 minutes.
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