A method and apparatus for edge contouring and severing a lens such as a contact lens of an elastomeric material such as a silicone elastomer from a workpiece containing the lens. The method most preferably employs two beam focussing means such as laser optics systems situated opposite each other which...http://www.google.es/patents/US4652721?utm_source=gb-gplus-sharePatente US4652721 - Method and apparatus for edge contouring lenses
