Most of the user of the computer suffer
pain in the wrist or in fingers due to over usage of pc or laptops by infront
of them whole day by typing and moving the mouse. Due to this some of the user
gets muscular pain etc. The research scholars of imperial college in London
A small device is
used for this purpose which is called as GT3D device.
This device consists of a pair of glasses (like the coolers) that user must
wear when you need to move the mouse with eye. And also two fast control cameras
are used to keep track of your eye. The camera constantly records the movement
of the pupil and moves the cursor to the direction where it points to. This device
is on the development stage so the scholars demonstrated the effective usage of
the device by a pong game. They also demonstrated how the surfing in net could
be done using this system. The previous version devices of GT3D has some
disadvantage such as you need to look on an icon for a prolonged period of time
inorder to open the application of the icon, due to this when you stare on the
desktop screen for some time then this automatically opens. Inorder to avoid this
problem GT3D device is sensitive so that
just a look at that opens the application and they have attached the 3d
facility so that the camera could detect whether your are just looking simply
on desktop screen or the user need to open the application. The cost of this
GT3D device is much cheaper (40$) than the other system input that we use.
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