Strange Visual Auras Could Hold the Key to Better Migraine Treatments

Research on the visual patterns that foreshadow migraines may reveal clues on how painful headaches arise from the brain even though it has no pain receptors. Colorful zig-zag lines flash in the corner of an eye, while the tunnel vision makes most of the view obscured. Migraine with aura is usually painless, though in large majority of cases means the real migraine is about to kick in. All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links.