It's surprisingly poor! Haha just kidding, he looks like he comes from a fairly healthy stock that probably has better than 20/20 or something. He hasn't made that information public. Paul Bettany has been equally as cagey about revealing anything about his part in the upcoming Marvel blockbuster Avengers: Age Of Ultron. But that's probably more down to signing a non-disclosure agreement, and because interviewers aren't all that interested in his eye prescription. The actor had a small role in the Iron Man movies but, from the looks of it, he's getting upgraded to a full part in his next MCU appearance you'll see his face and everything. And yet, for somebody who's apparently going to be an integral part of this new Avengers line-up, very little has been revealed about the character by Bettany or Marvel. The first proper look at the robotic Vision so far was at the very end of the latest Age Of Ultron trailer, and only then for a couple of seconds. Fans have managed to cobble together some glimpses of the character, some of which involve more than just his face LEGO figures and concept art have held the key but if you want to get a proper idea of what this new character's all about, then here are eight things you need to know about Paul Bettany's Vision.