Each operation involves some amount of risk. Laser eye surgery the opportunity to have a threat of severe visual complications is very low, but you must be careful. You must take full responsibility for the outcome of the eye surgery, you select it. There are some risks of laser eye surgery, people have lost their eyesight, blurred vision or a life-long effect, as a laser eye surgery, but they are rare. There is no written record of such incidents.
Surgery can not have 100% risk-free guarantee. Some doctors might be giving a fool proof guarantee, but it will not be true. Laser eye surgery is also true that the concept has just in the past 10 years, its long-term effects have not yet fully recognized.
Although laser eye surgery must provide your 20/20 vision, in most cases may not be very accurate. A number of the surgeon's work during the surgery the highest possible accuracy, but the results of different patients with patients.
Laser surgery also has side effects, may also eventually was temporary. The temporary side effects of laser eye surgery, for example, light-sensitive eyes to see halo around the lights, dry eyes causing itching, and sometimes can not see at night or in dim light. In the halo effect dilated pupils, and the second image is fading from the untreated peripheral cornea. This may be the main driving at night or disturbing the patients who received corneal myopia.
Both PRK and LASIK has a very small possibility of causing corneal infection followed by a surgery. Infection can cause anxiety and prolonged healing time of surgery.
There are different levels for each patient after the effects of surgery. You may need to engage in a second procedure, if your eyes do not sharp or use corrective lenses in the two-month period, until your eyes have fully recovered. For elderly patients, both myopia and myopia can not be cured, at the same time. They must use glasses to read the purpose of the treatment of myopia, up through another surgery. There are also problems that might arise to do the surgery have two eyes. Because the parties can not operate at the same time, a period of two surgery may lead to some uncomfortable ideas. When the time comes for your second eye is to operate you need to make use of the eyes or the lens will be difficult to operate when you let them.
