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Eye gaze and eye tracking

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A mounted camera-like device translates eye movements and eye stares (cursor dwelling) into directing the on-screen mouse. "Mouse clicks" are done with a slow eye blink, an eye dwell, or a hardware switch. These systems are not suitable for people with uncontrollable eye movement (nystagmus), and potential users must be evaluated and approved in order to purchase the device. They can cost about $10,000.

Eye gaze and eye tracking systems are often used in conjunction with virtual, on-screen keyboards.

See the Mouse alternatives article for more cursor control options.