Reactivity of the human retinal circulation to darkness: a laser Doppler velocimetry study.

Abstract

Bidirectional laser Doppler velocimetry (LDV) and fundus photography were applied to investigate the effects of light and darkness on retinal blood flow. Blood flow had increased by an average of 67% after 5 min of darkness. This increase persisted for periods of darkness as long as 80 min (the longest period tested). The magnitude of this elevation, its… (More)

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@article{Riva1983ReactivityOT, title={Reactivity of the human retinal circulation to darkness: a laser Doppler velocimetry study.}, author={Charles E. Riva and Juan E. Grunwald and Benno L. Petrig}, journal={Investigative ophthalmology & visual science}, year={1983}, volume={24 6}, pages={737-40} }