Vascular headaches are also known as migraine. There arevarious types such as ocular migraines. There are certainreasons why migraine is still unknown, migraine is estimated tobe caused by the dilation and constriction of blood vessels in the brain. Migraine pain often arises with exceptional. And evensuddenly disappear. The pain is often limited to one side of the head and became more severe after about an hour or two. It may also gradually spread and eventually may be accompanied by nausea and vomiting.
A variation of ocular migraine is a migraine or migraineopthalmoplegic. It is believed to be caused by dilations andconstricting arteries, but the most affected are the ocular blood supply to the brain visual center. It is also believed to be due tonerve paralysis or problems with the internal carotid artery.Although this condition is rare, but it can still be very oftenaccompanied by double vision and other types of visualdisturbances nausea and vomiting. In some extreme cases,people who experience ocular migraines can have permanentneurological deficits due to low blood flow and oxygen in thebrain. However, most of the symptoms varies and depends onwhat triggers a migraine.
Several external factors are believed to be the onset of migraine.Primarily involves overtiredness. Eye migraine usually occursafter long periods of time reading, watching television, usingcomputers at work, and other activities that may stress the eye.Food can also serve as external factors that lead to ocularmigraine attacks. These foods may include red wine, chocolate,milk, chicken liver, beef is preserved, etc.. Biological factors canalso cause migraine such as stress, alcohol consumption, hunger, or the use of oral contraceptives. It also includes serious bodily conditions such as sinus conditions, hypertension,allergies, tumors, glaucoma and others.
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