20120113384 | METHODS MATERIALS AND SYSTEMS FOR PRODUCING A CONTACT LENS AND CONTACT LENSES PRODUCED USING SAID METHODS MATERIALS AND SYSTEMS - Disclosed are methods, materials and systems for producing contact lenses and contact lenses produced using said methods, materials and systems. According to some embodiments, a contact lens produced by said methods, materials and systems includes an extra-ocular indicator (“EOI”) adapted to alter in color upon removal of said lens from an eye. The EOI may be at least partially composed of a pigment adapted to become relatively more visible when the contact lens is outside an eye than when the contact lens is placed in an eye. | 05-10-2012 |