Make sure your surgeon is using a laser approved by the U.S. Food and Drug Administration. The FDA has approved five lasers for LASIK; they are manufactured by VISX, Summit, Bausch and Lomb, Nidek and ATC.

Many people don't have 20/20 vision after surgery, but most are 20/40 or better. Eight to 10 percent, Dr. Wilson says, need an added procedure. Some need eyeglasses or contact lenses to make up for over- or under-correction.

Complications include night glare, infiltration of the cornea, ripples, infection, regression of correction, under correction, loss of visual acuity, dry eyes, difficulty in fitting contact lenses for additional correction and the need for re-treatment. The complication rate is around 10 percent.

If you're a good candidate for a LASIK procedure, have realistic expectations and choose the right surgeon, chances are very good that you will do well.

Source: http://resources.purematters.com/prevention/vision-loss/laser-surgery-can-improve-vision-problems