Thursday, March 22, 2007

Understand first before having eye lasik surgery

Before consider yourself of having a eye lasik surgery, get more imforamation of the eye surgeon and also remmember to ask question that you want to know about the operation and things pretaining to the operation.

The laser is used to remove excess tissue from underneath the cornea Laser surgery is the most exciting advancement in ophthalmology. Before the procedure begins, the patient's eye is measured to determine the degree of visual problem, and a map of the eye's surface is constructed. The required corneal change is calculated based on this information, and then entered into the laser's computer.

The surgeon uses a knife called a microkeratome to cut a flap of corneal tissue, removes the targeted tissue beneath it with the laser, and then replaces the flap.
LASIK is a more complex procedure than PRK photorefractive keratectomy. It is performed for all degrees of nearsightedness.

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