Talk to General Physician on Migraine Problem

I got eye pain almost 6 to 5 month has been occured my eye sight is weak .i visited eye doctor after 4 month he told me to visit skin docter he also didn't diagnosed then he refer me to visit neurologist . I feel burning and sensation in eye and mostly skin around eye i feel vibrating movement in eye skin and sometimes both eye specially in one. In light wind cold and also hot. And mostly it happens with focous. Neurologist give me mirgrine medicines but i don't feel any pain in head.( I got also toothache in upper teeth after root canal i don't get relief from it but its minor happens with cold or warm food ) Plz give me guidance .if there is any test that identifies the problem. Or recommend me the good docter in Karachi city if anyone know.