Abstract

Acute retinal vascular occlusions are frequent causes of visual impairment. Although both retinal artery occlusions and retinal vein occlusions are associated with increased age and cardiovascular risk factors, their pathophysiology, systemic implications, and management differ substantially. Retinal vascular events are perceived to be related to various cardiovascular complications. There is a positive association of retinal vascular events to mortality, stroke, and myocardial infarction. Retinal artery occlusion (RAO) and retinal vein occlusion (RVO) is associated with a higher risk of stroke. Given that RAO and RVO patients would generally present to ophthalmologists, their high cardiovascular risk should include a referral for cardiovascular assessment as part of their management protocol. This article reports the remarkable effects on tissues affected by retinal vascular events, when by pharmacological means, we restore the surprising ability to take energy directly from light, through the dissociation of water, as it happens in plants.

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