Abnormality irregular shaped pupil Pupillary pathology the irregular pupil structural causes synechia of the iris to the lens after surgery or inflammation (iritis) Axonfeld-Rieger Syndrome iris atrophy (ICE syndrome) iris coloboma sphincter damage due to ischemia sphincter damage due to trauma (tears of sphincter or diffuse damage to muscle) sphincter damage due to herpes Zoster uveitis sphincter damage due to high intraocular pressure iris tumor or cyst ectropian uveae innervational causes sympathetic segmental renervation of dilator muscle sympathetic segmental aberrant regeneration (rare) sympathetic nerve segmental dilator activation (tadpole pupil) Adie's pupil third nerve aberrant regeneration of the iris sphincter central causes - central corectopia
Creator
Randy Kardon M.D. Ph.D., Professor and Director of Neuro-ophthalmology, Department of Ophthalmology and Visual Sciences, University of Iowa and Veterans Administration Hospital, Iowa City, Iowa http://webeye.ophth.uiowa.edu/dept/BIOGRAPH/kardon.htm