Visual disturbances are the most frequent features of migraine aura [migraine with aura]. Most common are scotomas that are experienced as glittering lights, zigzags across the visual field, or shimmering wavy lights. A variety of other visual disturbances have been reported by migraine patients, including metamorphopsia, micropsia, macropsia, teichopsia, distorted contours, changes in color, diplopia, polyopia, and movement of stationary objects.