It's very difficult to get the power exact 100% of the time. Using the most advanced technology the selection of the correct ReStor power is at best 91%. With that said, does the refraction (glasses check) improve your vision? If so, then PRK will probably reduce any final need for glasses and improve your vision. If glasses or PRK will help, then I think it's fine to proceed with yag, but if you are not completely sure, or if your doctor can not assure that glasses or prk would improve vision, then hold off on the yag and consider IOL exchange. I bet yag and prk will make the solution for you.
Good luck!
Timothy D. McGarity, M.D.
201 W. Broadway
Building #4
Columbia, MO 65203