This robot eye can move five times faster than the human ... Want to see how fast this thing responds? Check out the video after the break.

Two decades after he lost his sight as the result of disease, some of his vision has been restored thanks to a remarkable light cell device implanted in his right eye. His twin brother ...

The robot also scales down the surgeon's movements, measured using a handheld robotic device known as a haptic interface, to the much smaller surgical site within the eye, compensating for hand ...