Data glasses through OLED microdisplays project the image onto the retina, looks like a meter in front of your eyes. Glasses is not the static image, through the eye tracking device, as long as you roll eyeballs to change, so do not have hands.
The Fraunhofer Institute, Dr. Michael Scholles convinced that this glasses in the construction and medical industries will be more widely applied, such as Stephen Hawkings severe disability of such people will also be a new user.

