Visual Auras

Visual Auras are usually a sign that a migraine is about to occur. The cause is unknown and in some cases patients do not experience the migraine afterwards. 

Auras usually present as a small area of blurry vision that gradually gets larger. Some patients also describes it as a kaleidoscope effect. 

Symptoms usually last for 20-30min.

If you get any black outs in your vision, seek medical attention asap