Eyeglasses that allows you to controll your smart phone with your eyes.

A pointing device is an input interface (specifically a human interface device) that allows a user to input spatial (i.e., continuous and multi-dimensional) data to a computer.On June 9, 2008, Apple announced its successor, the iPhone 3G where user can use their phone with the natural pointing device (i.e. Finger).Imagine,your eye can be a natural pointing device for you smart phones.(Eye tracking devices – A mouse controlled by the user's eyeball/retina movements, allowing cursor-manipulation without touch)
A Japanese researchers have developed an eyeglass that can track your eye movements and determine how tired or sleepy you are.Moreover it　also allows user to to controll their mobile device with the movement of their eyes.  The product was developed jointly by eyeglass store chain JIN and Tohoku University neuroscientist Ryuta Kawashima.