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How LASIK Vision Correction Works

The sheer number of different eye corrective surgeries available can be overwhelming at times. And since the matter concerns the eyes, regarded by many as the most important of the five senses, it becomes highly essential that you carry out a basic research of the procedures available. This would certainly aid you in selecting the most feasible and effective treatment. It is also imperative that you have a grasp of how LASIK vision correction works, since LASIK is the most prevalent type of eye surgery. It is comforting to know that LASIK eye surgery has the most advanced scientific technology at its disposal. It makes use of high-precision equipment and dedicated technicians.

For instance, the surgeon employs the Excimer laser, which is an amazingly precise ultraviolet chemical laser. As an evidence of its precision, the Excimer laser is capable of removing 0.5% of a human hair’s width at a time. At first, a thorough pre-operative examination is conducted, in order to detect astigmatism and other irregularities in the shape of the cornea. The patient is also advised to take a few precautions approximately 7 to 10 days prior to the surgery.

LASIK eye surgery is performed with the patient awake and functional, however, the ophthalmologist administers a mild sedative and anesthetic eye drops. The surgeon performs the surgery with the assistance of a dedicated technician who controls the laser. Basically, a flap is cut in the cornea using a blade (a microkeratome) or a laser. The flap is lifted up to reveal the middle section of the cornea. Then the Excimer laser is used to make the desired incisions, in order to reshape the corneal tissue. The cornea is carved in a finely controlled manner, since the Excimer laser is a cool laser and does not produce heat, which could otherwise damage the adjacent tissue. The flap is then replaced to allow for natural binding. Reshaping of the cornea in such a manner, corrects any refractive error that the patient may have. LASIK procedure is simple and the patient may go to work the very next day – sounds like a very much doable treatment.


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