(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
Subject
Fourth Nerve Palsy; 3 Step Test
Description
Demonstration of examination of patient who experienced blurry vision and pain in the left eye. Demonstrates checking of eye movements, focusing on object while each eye is covered and uncovered, turning head both ways and repeating. Shows limitation of depression in adduction of left eye, left hypertropia with exodeviation, little vertical deviation when looking right, large hyperphoria when looking right.