I have double vision (up down, not side 2 side) when i look at things more than 10 feet away, Usually lights or lit up objects like screens / signs on the road are most noticable. If i point my eyes upward to my brow and look through the area under the brow or put my finger in front of my eye and look through the area directly under my finger (which will look slightly darker, just try it and you will see) Things become clear, All i have to do is point my head forward and look through the small area under my brow and then they become clear. I have been taking Subutex for about 3 years. Does anyone know what this could be?