The healthy don’t know what they’re missing. It seems like someone is cracking a whip inside my ears each time I move my eyes swiftly from side to side. Tinnitus sways to some strange drums. Not everyone gets to experience this inervating oddity. And, Richard Burton once almost lost an eye in a knifefight; it hung by a thread. You know, he said, you can see the most extraordinary things with your eye hanging half-way down your face.