A hybrid contact lens comprises a substantially rigid zone having a base curve with a first curved section defined by an apical radius and an aspheric section defined by a conic constant. A substantially flexible hydrophilic peripheral portion is coupled to the substantially rigid zone, the peripheral...http://www.google.se/patents/US20070273825?utm_source=gb-gplus-sharePatent US20070273825 - HYBRID CONTACT LENS SYSTEM AND METHOD OF FITTING
