LED Displays in Contact Lenses

There is some research going on to develop LED Contact Lenses, reported in the Guardian, and mentioned in Guy Kawaski's blog.

This looks like a neat alternative to video eyeglasses, however the image will move with your eye, so you will see it superimposed over everything else. With eyeglasses the image moves relative to your head, so you can focus attention on a specific part of the image as you move your eyes. However, this is probably the least of their problems as they try to develop the idea...