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Article
November 1932

A NEW METHOD OF REGISTERING GRAPHICALLY THE OCULAR PULSE

Arch Ophthalmol. 1932;8(5):733-737. doi:10.1001/archopht.1932.00820180105010
Abstract

That an ocular pulse normally exists is clearly patent to all who have observed the rhythmic oscillations of the tonometer lever while the intra-ocular tension of an eye was being determined. Certain factors influence the amplitude of the lever's excursion. Parallel factors are to be found influencing the movements of the mercury manometer while the blood pressure of the brachial artery is being recorded. A consideration of the phenomena which occur in the brachial artery during this time will help to define these factors. If the pneumatic cuff is applied over the brachial artery and enough air pumped in to raise the pressure in the cuff above the systolic blood pressure, and, while the column of mercury in the manometric apparatus is being watched carefully, air is allowed to escape slowly, no motion of the mercury is seen at first, then suddenly there is a definite movement which corresponds in

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