These egg shells   were cut with a high intensity precision Laser Beam.  This gives a very good idea of what can be achieved with a Laser Beam.  From this can be surmised what laser surgery performed on one's eye is all about.  Is it any wonder how one's vision can be improved in just a few moments?  Science is sometimes wonderful, and it's still on the frontier of gaining new knowledge.

"Incredible what can be done with an eggshell and a laser beam. "