Embodiments provide method and systems for determining or measuring objective eye alignment in an external-coordinate system so as to define a reference axis. Additional embodiments provide a method and system of aligning an objectively determined reference axis of the eye in a selected relationship...http://www.google.com/patents/US20090163898?utm_source=gb-gplus-sharePatent US20090163898 - METHOD AND DEVICE FOR OCULAR ALIGNMENT AND COUPLING OF OCULAR STRUCTURES
