An aura is a perceptual disturbance experienced by some with migraine or seizures before either the headache or seizure begins. It often manifests as the perception of a strange light, an unpleasant smell or confusing thoughts or experiences. Some people experience aura without a subsequent migraine or seizure (see silent migraine). Auras vary by individual experience, some people experience smells, lights, or hallucinations. Less known, symptoms of the eye include disturbances, where the eyes… read more