There are basically three eye surgery methods. They are all called almost the same. They are: LASIK, LASEK and LASAK. In addition there are two other methods to improve the result: Wavefront 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.
The LASIK surgery method is a painless operation, and in only a few hours, the sight will be improved. One of the few sight effects are dry eyes. The surgery method can be used for most eyes; from -12 to +3.
For people who are only a little long-sightedness or near-sightedness (from -2 to +2), the LASEK surgery is a great method.
The LASEK surgery is (compared to LASIK) done on the surface of the corneas. So if you have thin corneas, it is a better method. If you suffer of dry eyes, it is also the best type.
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.
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.
When using LASIK, LASEK or LASAK without Aspheric treatment, the eye will be more ball-shaped. That gives a reduced contrast ratio and a bad night sight. If the Aspheric treatment is used, the curve in the central part of the eye will be made larger (as it is in an untreated eye). This gives a much better result; sometimes even better than with contact lenses or glasses.
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.
The LASIK surgery method is a painless operation, and in only a few hours, the sight will be improved. One of the few sight effects are dry eyes. The surgery method can be used for most eyes; from -12 to +3.
For people who are only a little long-sightedness or near-sightedness (from -2 to +2), the LASEK surgery is a great method.
The LASEK surgery is (compared to LASIK) done on the surface of the corneas. So if you have thin corneas, it is a better method. If you suffer of dry eyes, it is also the best type.
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.
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.
When using LASIK, LASEK or LASAK without Aspheric treatment, the eye will be more ball-shaped. That gives a reduced contrast ratio and a bad night sight. If the Aspheric treatment is used, the curve in the central part of the eye will be made larger (as it is in an untreated eye). This gives a much better result; sometimes even better than with contact lenses or glasses.
About the Author:
Martin Elmer is the editor of Laser behandling. Here you can also read about Naersynethed.
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