LASIK or laser in-situ keratomileusis is a popular surgical approach that is used to correct vision in people who are nearsighted, farsighted, or have astigmatism. Typically in the procedure, a thin flap in the cornea is created using either a microkeratome blade or a femtosecond laser, the surgeon then folds back the flap, then removes some corneal tissue underneath using an excimer laser, after that the flap is then laid back in place, covering the area where the corneal tissue was removed.
For nearsighted people, LASIK goal is to flatten the too-steep cornea; for farsighted people, a steeper cornea is desired. To correct astigmatism, LASIK smooth an irregular cornea into a more normal shape.
LASIK provides many benefits among which include immediate correction to the vision with very little pain associated with it. The recovery period for this procedure is quick and usually there are no bandages or stitches required after the surgery. Adjustments can still be done years after the surgery so as to correct vision further. Also, corrective eyewear is no longer needed.
Although it can take up to six months for vision to stabilize, many patients experience immediate improved vision after the surgery. Patients may expect a short LASIK surgery recovery period but usually there is little to no discomfort following the procedure and follow-up exams help ensure proper healing.
One who is thinking of having LASIK surgery should be at least 18 years old, has demonstrated no change in refraction for at least a year, and have realistic expectations regarding the results of LASIK eye surgery. An ophthalmologist will usually conduct a pre-LASIK eye examination to determine whether or not a patient is a good candidate for LASIK eye surgery.
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