Engineers with the University of Pennsylvania's School of Engineering and Applied Science have revealed their newly developed 'eye-on-a-chip,' a small eye-shaped device that can be… ...

The simple solution to screen fatigue: Scientists say 20 seconds of BLINKING can stop computer users getting eye strain. By MARK PRIGG . Published: 15:42 EDT, 13 March 2013 | Updated: 05:09 EDT ...