Hi there wondering if you could help,i have been feeling generally unwell for weeks now malaise,tiredness,dizziness,constant headaches of moderate nature,tingling down face and twitching of eye muscles,been to g.p and e.r and had numerous tests done(2ecg's,chest x-ray,blood tests for liver function,glucose,electrolytes,renal function,cholesterol,full blood count and crp to name a few all completely normal.Just went to optician to get my eyes checked due to headaches and she noticed a very mild anisocoria and very mild relevant afferent pupil defect so she has referred me back to g.p.I am terrified something really serious is going on i did have both an mri and cta scan done just few months ago for unrelated problem and both absolutely normal.I did have tooth abscess 2months ago and now i am panicking that maybe i have something like brain abscess have you any ideas,thanks jim.