April 1969
Volume 8, Issue 2
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Articles  |   April 1969
Doppler Measurement of Vortex Vein Blood Flow in Animals
Author Affiliations
  • WILLIAM A. SCHLEGEL
    Bishop Eye Research Center, Pacific Northwest Research Foundation, Seattle, Wash.
  • CARTERET LAWRENCE
    Bishop Eye Research Center, Pacific Northwest Research Foundation, Seattle, Wash.
Investigative Ophthalmology & Visual Science April 1969, Vol.8, 201-205. doi:
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      WILLIAM A. SCHLEGEL, CARTERET LAWRENCE; Doppler Measurement of Vortex Vein Blood Flow in Animals. Invest. Ophthalmol. Vis. Sci. 1969;8(2):201-205.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

The blood flow icas measured continuously in the intact vortex vein of the anesthetized rabbit using an ultrasonic Doppler flowmeter toith a frequency response of approximately 4 Hz. Blood flow correlated well toith perfusion pressure (arterial pressure minus intraocular pressure). The intraocidar pressure was changed stepwise by peifusion from a saline reservoir. Tonometry toas performed with the eye connected to the reservoir and with the valve to the reservoir closed. Blood flow decreased with decreasing perfusion pressure in all cases.

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