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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Dizziness While Getting Up And Blinding White Or Totally Black Vision?

Hi, I'm a 21 year old girl, I weigh 122 lbs, and I am 5'3". Since I can remember when I stand up after sitting for a while, or even just randomly get up not after a long period of time I become dizzy. Many times I simply stagger through it and hold on to things as i go so I don't fall down. However, every-once in a while my vision will go either blinding white or totally black. During those times I usually plop down on the ground and wait for a few seconds to a few minutes for the spell to pass. Other times i become so dizzy that i have to sit down even though my vision hasn't gone out. Why does my vision sometimes go white and other times go black? And also is this very serious or simply just another case of low blood pressure?
posted on Fri, 14 Mar 2014
Twitter Tue, 10 Jun 2014 Answered on
Twitter Wed, 11 Jun 2014 Last reviewed on
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Ophthalmologist,  's  Response
Hello
It seems from the history that you are having recurrent episodes of sudden blackouts of vision.
These episodes indicate dizziness and the common causes are hypovolemia, hypoglycemia.
Since you are young no serious underlying causes will be present hence no need to worry. Correction of hypovolemia and hypoglycemia if present will cure your problem.

Thank you
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What Causes Dizziness While Getting Up And Blinding White Or Totally Black Vision?

Hello It seems from the history that you are having recurrent episodes of sudden blackouts of vision. These episodes indicate dizziness and the common causes are hypovolemia, hypoglycemia. Since you are young no serious underlying causes will be present hence no need to worry. Correction of hypovolemia and hypoglycemia if present will cure your problem. Thank you