These situations are often a sign of having poor boundaries – the result of a mix of low self esteem and an unwillingness to take a stand for yourself.
More often than not, visual disturbance in visual migraine usually starts in the peripheral vision consisting of almost circular, jagged, shimmering spot which enlarges and moves to the center area which usually obscure the vision. This episode disappears after 15-20 minutes and a mild headache may or may not occur.
many people experiencing this condition often complain of tiredness and mood changes.
Migraine is thought to occur when dilation and constriction of the arteries in the head lead to an extremely painful headache.
It is not a blacking out of vision or a total blindness.
They look like jagged flashes of lightning bolts shimmering around the object or field of vision. The seemingly hallucination episode usually lasts for 15-20 minutes and may or may not be followed by a 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.