laser eye surgery license

what are the vision specifications of a pilot?

what can and cant be an issue with your vision to get a pilot’s license or fly commercially,private, etc.can a pilot have laser eye surgery, contact, or 20-20 vision?

Colorblindness is a disqualifier for commercial (and military) flying of any sort.
Else, it really depends in what country you currently reside, and exactly what rating(s) you wish to get.