It occurs without a warning. They look like jagged flashes of lightning bolts shimmering around the object or field of vision. It usually interferes or obscure vision. The seemingly hallucination episode usually lasts for 15-20 minutes and may or may not be followed by a headache. You might think that you are seeing things or getting insane. No. This condition is known as visual migraine.
What is Visual Migraine?
Migraine is thought to occur when dilation and constriction of the arteries in the head lead to an extremely painful headache. Visual migraine, on the other hand, is a condition believed to be of the same cause as of migraine but instead of the spasm affecting the surface of the brain, it affects the ocular blood supply resulting to vasospasm, a spasm of arteries behind the eye, which shuts off blood flow to the optic nerve.
Visual migraine is like a temporary loss of vision associated with bright flashing lights and jagged geometric lines. It is not a blacking out of vision or a total blindness. Sometimes, a person experiencing visual migraine may think that he/she is hallucinating. A visual hallucination is actually a visual perception that does...
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