The Effect of Paralysis of the Cervical Sympathetic System on the Electromyogram of Extraocular Muscles in the Human* *From the Services of Ophthalmology and Neurology, Veterans Administration Hospital, Iowa City, and the Departments of Ophthalmology and Neurology, State University of Iowa. This paper was presented at the 95th annual meeting of the American Ophthalmological Society, Hot Springs, Virginia, May, 1959.