People who cannot use or move there hands are now no need o be worry about that. Now they can use there eyes to control the computer. According to there eye movement cursor also move. After a research conducted by Imperial College London introduced this and now people can use there eyes instead of there hands. most impotent thing is this device is not more than 40 Euro. If that person is not used there eyes as a control input he can train for this device within 10 mins. So this is a good news for anyone who can't use there hands to control computer.