The risk of complications is minimal.
The most common complaints are dry eyes and very rarely some type of eye infection. In the very small percentages where a problem is reported, the two most common complaints are:
When the most advanced technology is used by the best surgeons the sight outcomes are 20/20 or better in 98%-99% of all patients.
Thanks to constantly improving guidelines by the FDA, even surgeons using less than optimal technology have at least an 85%-90% 20/20 outcome.