subject: Lasik, Lasek And Lasak Revealed [print this page] Basically there are three eye surgery methodsBasically 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.
LASIK is the most popular of the methods. It is fast, effective and gentle. And complications using this laser surgery method are very rare. For most people, LASIK surgery will be a good method to improve their sight.
LASIK surgery is almost painless, and the sight has improved only a few hours after the operation. The side effects are few; dry is the most common. LASIK can help most people; long-sightedness until +3 and near-sightedness until -12.
LASEK (also called E-LASIK and ELSA) is a great eye surgery method, if you only are a little short-sighted or long-sighted (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.
The newest type of laser surgery is called LASAK. The flap, which is cut off, is thinner than when doing LASIK surgery. That saves the corneal tissue and is therefore a better method for people with thin corneas.
Other advantages of the LASAK surgery are a shorter time of healing and lesser risk of complications. There is also no pain after the operation, and the eyes will not be so dry. Finally the sight is steadier.
By using the Wavefront method in combination with LASIK, LASEK or LASAK, the result can be even better. With the help of a special instrument the irregularities on the corneal are measured, and a range of calculations are made on the computer. The result is a kind of topographic map, which is used for setting the laser exactly for the specific eye.
The Wavefront method gives a more unique measurement of the eye. That gives an improved result and a better night sight. Astigmatism in the eyes will also be corrected in a better way.
Aspheric treatment is the newest step in eye surgery; and is used in combination with LASIK, LASEK and LASAK. The treatment takes into account that the cornea is not ball-shaped; but aspheric.
Without the Aspheric treatment the eye will be more ball-shaped when operating using LASIK, LASAK or LASEK. The result is reduced contrast ratio and bad night sight. When using the Aspheric treatment in combination with one of the three eye surgery methods, the curve in the central part of the eye will be made larger; which copy the normal (untreated) eye. With this method this method the result will be better; sometimes the sight will be even better than when using glasses or contact lenses.
