LASIK is an acronym for Laser In-Situ Keratomileusis. I guess the people who invented it didn’t like the sound of LAISK surgery so they switched the “I” with the “S”. Despite the lack of acronym-making skills, their laser eye surgery procedure has been a godsend for hundreds of thousands around the world. There’s little argument that LASIK surgery is a wonderful vision correction procedure, but what exactly is it?