Color Scotoma
Description
A scotoma is a visual impairment within the normal visual field. It may appear as a blind spot, a dark spot, a light spot, a flickering light or a blurred area in the visual field. Scotomas can be caused by physical problems involving the retina or optic nerve, or may be a symptom of a migraine headache.
pot, a light spot, a flickering light or a blurred area in the visual field. Scotomas can be caused by physical problems involving the retina or optic nerve, or may be a symptom of a migraine headache.