For the past 4 days I have noticed an odd ring of light around the outside of my vision. Sometimes it is accompanied by a headache but I have headaches regularly. I have no idea what could be causing this it comes and goes. Usually it is just a white flashing ring kind of like a throbbing sensation. Any ideas?
2014-12-23 11:15:28
The two possibilities are migraine aura or tugging on the retina (the nerve la
2014-12-23 11:17:23