Loss of vision

Sometimes when I get up after sitting for a while I experience severe dysiness and I see what looks like just darkness and sparks causing temporary loss of vision. This usually makes my fall immidiately when it happens. Is this serious???

What can cause loss of vision/tunnel vision?

Dizziness and temporary loss of vision when standing?

How can one deal with glaucoma and the loss of vision?

Will fibromyalgia cause extreme hunger and loss of vision?

I was wondering does the medication sanctura cause loss of vision?

Can a simple cincussion cause temporary episodes if loss of vision?

What are blackouts, loss of vision, and impaired balance common symptoms of?

When I move from dark to bright light, is it normal to have temporary loss of vision?

Please let me know if there is any thing to cure the loss of vision from macular damage?

Can untreated conjunctivitis lead to loss of vision?

Can an allergic reaction cause a temporary loss of vision?

Do you have pain and sudden loss of vision in angle closure glaucoma?

I got my first migraine when i was 16. Can it cause partial loss of vision?

What are the causes of dizziness and tunnel vision/temporary loss of vision?

I have anxiety, and sometimes experience a split second loss of vision like a blink, but I am pretty sure I am not blinking. Is this normal?

Hey docs, I am wondering if there are any hereditary causes of progressive loss of vision to complete blindness that typically don't occur until an adult/elderly?

What causes nausea, extreme sweat, and loss of vision?

Anybody have preeclampsia with loss of vision or blurriness?

What is multiple sclerosis and how is it related to loss of vision?