BBC NEWS | Health | Research opens way for bionic eye

A long way off yet, but fascinating nontheless:

BBC NEWS | Health | Research opens way for bionic eye: "Research opens way for bionic eye
Eye
A bionic eye could potentially restore sight
US scientists have opened the way for the development of a 'bionic eye'.

They used electrodes to stimulate an area of the brain that processes visual information, the Proceedings of the National Academy of Sciences reported."