Blurry vision is precisely that -- an absence of clarity of sight and the inability to see fine detail. Low blood pressure can lead to blood collecting in your legs when you stand. Usually, your body compensates by increasing your heart speed and tightening blood vessels, making sure that enough blood returns to your brain. In people with orthostatic hypotension, however, this compensation does not work. Blood pressure decreases and one side effect may be blurry vision.

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