Confused., Is it possible for contact lense to go behind eye, back to year ago when I was in college, I suddenly rubbed my eye and found the lense was dislocated from eye and I went to wash room and try to find it out and In that hurry i splash water into the eyes and found my left lense was missing for the same concern I went to 5 to 6 eyes specialist doctor and they evaluated my eyes and said ita impossible for contact lense to go behind contact lense and float in the brain, I don't know why I have persisted irritation in my left eye after that incident. Please ans my query.