A member asked:

What causes temporary blindness when standing or sitting up?

A doctor has provided 1 answer
Dr. Tim Conrad answered

Specializes in Ophthalmology

Low blood pressure: When you stand or sit, the blood rushes from your head causing dizziness and loss of vision. This is more common in people who have low blood pressure and on those who are taking hypertensive medications.

Answered 12/26/2012

5.4k views

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