A process for predictably recurving the cornea of an eye by disposing light-absorbing color bodies in the cornea, and then vaporizing at least some of the color bodies with light energy according to a predetermined pattern to form corneal-recurving scars. The light energy is focused in the cornea and...http://www.google.fr/patents/US4712543?utm_source=gb-gplus-shareBrevet US4712543 - Process for recurving the cornea of an eye