Think I might have brain tumor so I want to make sure my neuro-opthalmologist will rule it out. What are the obvious signs?

Tests by this doctor. Your neuro-opthalmologist can look at your eyes and learn a lot---by what the vison is doing, eye movement, s and the appearance of the back of your eye there are so many signs that can indicate a brain tumor i suggest rather than giving you a list you see your family physician to go over your concerns.
Many signs. Signs of brain tumors vary quite dramatically depending on the site in the brain, and the speed of growth, you should talk with your neuro-ophthalmologist about your concerns.