Specifically, high blood pressure can cause papilledema, a swelling of the optic disc.
From the telegraph.co.uk
His cognitive functioning was normal, except for ataxia and papilledema.
From the en.wikipedia.org
In a similar case, a 44-year-old woman admitted to the hospital displayed ataxia, dysphonia, and papilledema.
From the en.wikipedia.org
Papilledema typically occurs due to increased pressure within the skull and can lead to progressively worsening vision and, in some cases, blindness.
From the sciencedaily.com
Obscured vision due to papilledema may last only seconds, while a severely atherosclerotic carotid artery may be associated with a duration of one to ten minutes.