Abstract
In man, and most mammals, the retina is supported by two vascular beds. The retinal circulation courses through the inner half of the retina, and the choroidal circulation lies behind the retina. The relative oxygen contributions and regulatory properties of the retinal and choroidal vascular beds have been studied in considerable detail,1,2,3,4 prompted largely by the high incidence of vascular based diseases of the retina. There is general agreement that the retinal circulation is capable of a high degree of regulation5 and that in contrast, the choroid generally exhibits little or no regulatory capacity.6 KeywordsOxygen TensionHeart CircOxygen DistributionRetinal Blood FlowChoroidal CirculationThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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