London: Scientists have unveiled a prototype
mobile phone that allows user to make and receive calls, and
even play music, just by moving their eyes.
The prototype device has special electrodes -- that can
pick up the movement of the eye -- attached to the earphones.
Eyes have "electrical potential" - positive at the cornea
and negative at the retina - which changes depending on the
movement of the eyeball.
The earphone electrodes are able to read these changing
currents - known as an electrooculogram - and the mobile phone
is pre-programmed to translate the information into a command.
Hence, a user can make or receive a call, simply by moving
Similarly, music stored on the mobile phone can be played,
paused or song skipped using eyeball movement - shifting the
eye right and then left will play or stop a track.
The volume can be increased by moving the eyes clockwise
and decreased by rotating eyes anti-clockwise.
The system works even when a person`s eyes are closed,
the Telegraph reported.
A spokesman for NTT DoCoMo, a Japanese mobile phone
operator, which unveiled the prototype, said, "the system is
only a prototype, but it provides an insight into the way we
might be using our phones in years to come."
"In future, phones will be worn like accessories. We`re
keen to find new natural-gesture interfaces and clever ways of
interacting with these devices to suit this anticipated future
use," the spokesman said.