Skeptics such as Robert Todd Carroll contend that auras may be seen for explainable reasons such as migraines or synesthesia.[5] Some people see auras as the result of a migraine, epilepsy, a visual system disorder, or a brain disorder.[6][7] Eye fatigue can also produce an aura, sometimes referred to as eye burn. | Skeptics such as Robert Todd Carroll contend that auras may be seen for explainable reasons such as migraines or synesthesia.[5] Some people see auras as the result of a migraine, epilepsy, a visual system disorder, or a brain disorder.[6][7] Eye fatigue can also produce an aura, sometimes referred to as eye burn. |