Sketch of external view of eye​Pupillography is a test that measures the response of the pupils to a standardized brief light stimulus. 

Dr. Randy H. Kardon directs the Pupillography Laboratory at the University of Iowa and conducts clinical and research evaluations of pupillary movements of the iris in health and disease. In addition, the computerized infrared instrumentation is equipped to record dynamic eye movements, and eyelid movements in addition to the dynamics of pupil movements.