Migraine Aura or Stroke: When to Worry & What to Do

Any unusual change in vision can be very alarming. Many people think they may be a sign of a stroke. In some people, they are. In other people, they may be a migraine aura or vestibular migraine. These migraines, which can occur with or without headache pain, result in rainbow-like colors or other vision changes like zigzag lines or bright lights.