Many factors are thought to contribute to glaucoma. One of these factors is ocular hemodynamics, or the state of vascular circulation in the eye. This article attempts to explain the effect of ocular hemodynamics on the normal eye and glaucomatous eye, as well as metabolic vascular mediators thought to be involved in the pathogenesis of glaucoma and external factors affecting ocular blood flow. A brief summary of current clinical ocular vascular testing devices and the effects of topical therapeutic medications on ocular blood flow will also be discussed.
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