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Basically there are three eye surgery methods. All of them are called almost the same: LASIK, LASEK and LASAK. Those methods can be combined with two other treatments to give a better result. Those two methods are: Wavefront treatment and Aspheric treatment. The most popular surgery method is LASIK. The reason is that it is effective, gentle and fast. Complications when using LASIK are very rare. So LASIK will be a good method for most people. The LASIK operation is painless, and the sight will be improved in only a few hours. There are only a few side effects like dry eyes. The method can be used for near-sightedness until -12 and long-sightedness until +3. The other surgery method called LASEK (or E-LASIK or ELSA) is great for people, who are only a little near-sightedness or and long-sightedness (from -2 to +2). Because the operation is made on the surface of the corneas, the LASEK surgery is especially good, if you have thin corneas. It is also better, if you suffer of dry eyes. LASAK is the newest type of eye surgery. Compared to a normal LASIK surgery, the flap, which is cut off, is thinner (saving the corneal tissue). That means it is a good method for people with thin corneas. The healing time is also shorter with LASAK than the other methods. The risks of complications are lower, and it is almost painless after the operation. The sight will also be steadier and the eyes will not be as dry. The surgery result can be improved even more, if the methods are used in combination with the Wavefront method. The irregularities on the corneal are measured with a special instrument, and a kind of topographic map is constructed. Finally a computer calculates the correct settings for the laser surgery based on the specific eye. By using the Wavefront method, the result will be better because of the unique measurement of the eye. The method does also give a better night sight and astigmatism in the eyes will be treated with a better result. The newest improvement in eye surgery is called Aspheric treatment; which is used together with one of the three surgery methods. The cornea is aspheric and not ball-shaped; something the Aspheric treatment takes into account. Using the normal surgery methods the eye will be more ball-shaped, which might give a bad night sight and reduced contrast ratio. Using the Aspheric treatment the surgery will create a larger curve in the central part of the eye. The result is better sight; which in some cases can be even better than when using glasses or contact lenses. Martin Elmer is writing about eye surgery in Laserbehandling oejne. You can read about LASIK, LASEK, LASEK, Wavefront and Aspheric treatment in Lasik.
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eye surgery, laser surgery, LASIK, LASEK, LASAK, Wavefront, Aspheric, cornea, short-sighted, long-sighted, dry eyes, complications, healing time,
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