Dr. David Robinson on LASIK vs. PRK

When people start seriously considering life without glasses or contact lenses, two procedures usually come up first: LASIK and PRK. Both are well-established forms of laser vision correction that can reduce dependence on corrective lenses and significantly improve vision. However, they differ in how the surgeon performs the procedure, and they are not always recommended for the same type of patient.

So what exactly separates LASIK from PRK?...