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Article
March 1964

ANISOCORIA DURING OPHTHALMODYNAMOMETRY

Author Affiliations

Department of Ophthalmology College of Physicians and Surgeons Columbia University 635 W 165th St New York 32, NY

Arch Ophthalmol. 1964;71(3):450-451. doi:10.1001/archopht.1964.00970010466033
Abstract

To the Editor:  —In a recent paper Jaeger et al (Arch Ophthal [Chicago] 70:453-455, 1963) described pupillary behavior under the influence of pressure exerted upon the eye. A pair of transparent goggles with individual air chambers over each eye was strapped to the head of the subjects and sealed around the orbital rim. Air pressure within one chamber was increased while an observer watched the arteriolar tree with an ophthalmoscope. Pulsation and exsanguination served as end points for diastole and systole, respectively. The pressure was increased 5-15 mm Hg above systolic level, and the pupillary reflexes were then tested directly and consensually in the pressurized and the unpressurized eye.Immediately after exsanguination of the arteriolar tree subjective light perception and direct pupillary reflexes of the pressurized eye persisted, but they disappeared within 15-45 seconds. At this time, both the pressurized and the unpressurized eye showed pupillary contraction when the unpressurized

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