(KBD) Professor of Neurology and Ophthalmology, Director of Neuro-Ophthalmology, John A. Moran Eye Center, University of Utah School of Medicine, Salt Lake City, Utah; (DMJ) Neuro-Ophthalmologist, Marshfield Clinic, University Iowa College of Medicine, Iowa City, Iowa
Subject
Pupil; Third Nerve Palsy; Third Nerve Dysfunction
Description
Example of patient with third nerve palsy. Left eye shows pupilary involvement. Left eye doesn't immediately duct, but abducts well, with impaired superduction. Secondary and primary deviations are demonstrated. Anisocoria is more prominent when light is on, showing a parasympathetic defect to the pupil.