Still just the prototype but this tech looks really cool.

One Per Cent: Electronic contact lens displays pixels on the eyes
The future of augmented-reality technology is here - as long as you're a rabbit. Bioengineers have placed the first contact lenses containing electronic displays into the eyes of rabbits as a first step on the way to proving they are safe for humans. The bunnies suffered no ill effects, the researchers say
Still a long way off but progress none the less.