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Quantitative Television Fluoroangiography-The Optical Measurement of Dye Concentrations and Estimation of Retinal Blood Flow

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2 Author(s)
Michael Greene ; Department of Electrical and Computer Engineering, University of Alabama ; Albert L. Thomas

The development of a system for the measurement of dye concentrations from single retinal vessels during retinal fluorescein angiography is presented and discussed. The system uses a fundus camera modified for TV viewing. Video gating techniques define the areas of the retina to be studied, and video peak detection yields dye concentrations from retinal vessels. The time course of dye concentration is presented and blood flow into the retina is estimated by a time of transit technique.

Published in:

IEEE Transactions on Biomedical Engineering  (Volume:BME-32 ,  Issue: 6 )