Hypertension, if severe, can cause sudden visual loss, visual field deficits such as blurred vision, visual disturbances such as seeing spots of light or black spots, amp; visual loss usually in one eye at a time(monocular) that may be permanent or transient (come amp; go). The physical effects can include vasospasm(vessel constriction) of the retinal arterioles(small arteries), sclerosis(hardening) of the retinal arterioles(small arteries to the retina), splinter hemorrhages, focal infarcts(tissue death) of nerve fibers resulting in cotton wool spots, and leakage of fats amp; fluids into the macula.
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Hypertension can affect blood flow because the resistance to blood flow through the arteries is increased. The affects all arteries which can include those that go to the eye. Any compromise in blood flow to that area could potentially affect your vision.
Very much so. You can get blurry vision. Also Hypertension is the most common cause of an occlusion of the main retinal vein.
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