A rapid iris acquisition, tracking, and imaging system can be used at longer standoff distances and over larger capture volumes, without the active cooperation of subjects. The captured iris images can be used for biometric identification. Light illuminates the subjects' eyes. Reflections from the eyes...http://www.google.com/patents/US20080002863?utm_source=gb-gplus-sharePatent US20080002863 - IRIS IMAGING USING REFLECTION FROM THE EYE
