Several months ago I had a relation to macrobid....peripheral neuropathy,I stop the med the 5 months later I developed optic neuritis abd three months later tinnitis,I am type 2 diabetic,well controlled,every test has been neg,including ct and MRI Ana th factor,CSF cat scratch fever,limes and west Nile all neg.I continue to suffer from eye pressure from the optic nerve....what course of treatment is recommended. Thank you