I have had a continuous aura without migraine for the past 20 months. It all started when I suddenly arose only to see a number of white stars flickers across my visual fields (this is apparently known as sheerers phenomena). After this even, I slowly began to develop visual snow, which affected my depth perception, and made everything seem as if it were swirling. Eventually, I began to develop a sensitivity to afterimages, which last a particularly long time; as well I often see my blind spot, and see many floaters in my visual field. I also see white blood sparks floating around in my visual field.
I've just started medical school and this is quite straining on me so I'm quite concerned, I've seen a neurologist and he has prescribed topiminirate, which has been of some help, but is unlikely to be of much use to me due to the severe cognitive side effects.
It's also interesting to note that I have been able to achieve NEAR COMPLETE relief from all my symptoms from pseudophedrine, which I find particularly interesting. Is there any explanation for this, could this be a sinus problem? Or is the pseudophedrines vasoconstrictive properties providing me some temporary migraine relief.
Is there any other approaches I can talk to my doctors about taking, which minimize cognitive side effects.