> ... doesn't the glasses have to generate light rays that are just out of focus enough so your lens refocuses it correctly? I would think so. However, it look

> ... doesn't the glasses have to generate light rays that are just out of focus enough so your lens refocuses it correctly? I would think so. However, it looks like the idea is not just to focus the light. There's some interesting neurology going on, too. (See my other comments to this post.)