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Virtual Dictionary

Electrooculography

A technology which monitors the movements of the eye. It is able to work out where the eye is looking, and allows the user to 'grab' objects simply by focusing on them.

Electrodes on either side of the eye are exposed to more or less of the retina as the eye moves. The difference in potential between the two, showcases the degree of movement of the eye, and thus where it is looking. With electrodes positioned above, below, and to either side of the eyes, the goggles can accurately calculate horizontal and vertical movements.

The technique can also be used to determine the brightness of ambient light, by measuring the reflection off of the retina.

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