Conjunctival vascular images are obtained from individual's eye for purposes of creating a multi-dimension, non-iris based biometric. The biometric can be used for identification or authentication purposes. Multi-dimensional correlation processing can be used to evaluate pairs of biometrics....http://www.google.fr/patents/US7327860?utm_source=gb-gplus-shareBrevet US7327860 - Conjunctival scans for personal identification