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Article
January 1972

Mydriasis and Increased Intraocular PressureII. Iris Fluorescein Studies

Author Affiliations

New York; Iowa City
From the Department of Ophthalmology, New York Medical College, New York (Dr. Rutkowski), and the Department of Ophthalmology, University of Iowa College of Medicine, Iowa City (Dr. Thompson).

Arch Ophthalmol. 1972;87(1):25-29. doi:10.1001/archopht.1972.01000020027005
Abstract

There is no apparent perfusion of the iris vessels with fluorescein in humans when the intraocular pressure is elevated above the diastolic ophthalmic artery pressure. Further mydriasis also occurs with increasing intraocular pressures above the diastolic ophthalmic artery pressure when the duration of pressurization is held constant. Iris ischemia alone cannot explain satisfactorily the mydriasis associated with increased intraocular pressure.

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