Classical migraines are far less common. It is associated with experiencing some degree of blindness or visual impairment that slowly occupies a larger field of vision. The blinded area is often surrounded by a sparkling edge. Up to one-half of the field of vision can be blinded or reduced. The blindness usually lasts about twenty minutes and is followed by a severe one-sided headache with nausea, vomiting, and sensitivity to light.
Some patients experience symptoms of the aura without subsequent development of headache.
The aura is followed by an intense crescendo of a headache, frequently behind one eye or on one side of the head. Other symptoms that can accompany the headache of a migraine, include Sensitivity to light Nausea Vomiting Diagnosis Migraine with aura employs the same diagnostic criteria as common migraine with the following exceptions.