It can be a normal variant. It is like asking someone if 150 pounds is an overweight person. It depends on his height, build, etc. There are additional test that can be done to see if this pathological. It is very unlikely to be due to a brain tumor without other symptoms.
Dr. O.
An optic nerve that's lit up like a 100 watt bulb and the other one is about 75 watts and 40 watts is normal. My eye Doc explained that it was like when you press on your skin and the skin blanches. Can that really be considered a normal variant? The eye Doc will continue to monitor the situation and I will update as I learn more about this condition.