Could you contribute any stories or facts about "scintillating scotoma"?

Part of Migraine: The aorta carries blood from the heart with smaller and smaller branching until reaching the retinal artery. Any spasm of blood vessel along the way will decrease oxygen to the retina. The only kind of signal that the retina can send is a message of light which you see as 'scintillating scotoma'. In classical migraine, a headache follows. To prevent headache take a jolt of caffiene right away.