Irregular pupil indicates damage to one of three sites

Anaheim, CA-Development of an irregular pupil can occur as the result of a number of different factors, that is, problems with the iris tissue itself, nerve innervation to the iris dilator or sphincter muscle, or insults to the central nervous system, according to Randy H. Kardon, MD, PhD, who discussed the three sites of dysfunction here at the American Academy of Ophthalmology annual meeting.