2011年5月24日星期二

How to choose laser surgery?

What is the excimer laser surgery

Eye Dr Wong pointed out that the use of excimer laser surgery is an excimer light, precise cutting the cornea, thus changing the eye's refractive power, the vision returned to normal. The technology introduced to China has been ten years, brought light to many patients. Currently on the market to use more LASIK and LASEK, the former as "in situ keratomileusis", which is the "subepithelial keratomileusis." The latest ORK, refers to "customized ablation in laser surgery," that is a "tailored" approach, cutting programs more carefully, so prices are more expensive than the previous two. However, these are the same basic mechanism of operation, namely, by cutting a certain thickness of the cornea to complete, so the higher the degree of myopia, the more cutting the cornea, the lower the security operation.

Individual hospitals claimed laser surgery, "immediate, no side effects, no rebound." In this regard, experts say it is misleading to consumers, the scope of laser surgery, there are strict requirements, not everyone can do.

Not everyone is suitable for surgery

Dr Wong said, usually require surgery over the age of 18, less than 1500 degrees myopia, astigmatism less than 600 degrees, and no other eye disease to surgery. Some myopic cornea itself is very thin, laser surgery can not be myopic, but also glaucoma, keratoconus eyes and so sick, and potential inoperable. In general, myopic laser surgery in China is quite mature now, and success of the procedure, laser surgery depends on the specific operation of medical equipment and technology. Therefore, asking price is appropriate in the same time, look for the best equipment and medical surgical unit's experience and so on. In general, to a large hospital surgery is relatively secure, because the surgery program, such as preoperative examination will be in a more professional and detailed. The clinic may be for a few non-standard benefit, and conceal the test results, and even surgery is not suitable for the surgery, so that greatly increased the risk of surgery.

Do not just look at the price

Currently, the market price of laser surgery also vary widely, from 2,000 yuan to 8,000 per month, the difference Where is it? Experts said that a 400 excimer equipment needs over a million dollars, with each operation and the disposable supplies, Even the cost of 2,000 yuan is not enough. In order to reduce the cost of individual hospitals, it is possible to use second-hand medical equipment, re-use blades, omitted part of such examination, the patient lay hidden.

Dr Wong said that laser surgery for myopia is achieved by cutting the cornea, myopia is reduced by 100 degrees, about 14 microns to the thickness of the cutting, and a normal corneal thickness of only 500 to 600 microns, so the deeper the degree of myopia, the risk greater. If after corneal surgery after cutting thin, can not resist the pressure in the eye, or even the formation of keratoconus, loss of vision. Myopia surgery because of corneal thinning, usually not any problem, but safety is bound to decline, after all this surgery and, like any other surgery, there is risk, not hundred percent successful. Experts advise on this, in the choice of myopia laser surgery, be sure to look at science, do not be misled by false advertising. But to do surgery, or will choose to see short-sighted decisions themselves.  


From the above,maybe you have known some notes of choosing laser surgery.So you will be wise to do such laser in your later life. 

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