These headaches could be due to stress, anxiety, migraines or tension headaches, sinus headaches radiating to the ear
, headache usually front of head, on one
or both the sides
of temples along with nausea, vomiting, irritability, low blood pressure, sensitivity to lights, sound, etc. aura associated with migraines could include blind spots, blindness in half of your visual field, paresthesia, weakness or visual hallucinations. Your vision needs detailed testing by an ophthalmologist.