I would be really great for users with any disability to perform a left click with a 3 second blink of the left eye only and similarly perform a right click with the right eye. It would a useful addition to the already implemented dwell click which sometimes causes unnecessary clicks because of the timer/motion based clicking. The blink should last at least 3 seconds but a longer blink should work too. Also, blinking both eyes for 3 seconds could perform a configuration action like enable/disable, middle click, etc.
This would only be enabled if a face is detected (unless you can track the presence and state of both eyes separately to the whole face). Natural blinking will be ignored since it is very quick compared to a 3 second long blink. The click actions should take place when the eye is opened after the blink. There would also be the same click sound as the dwell click feature.
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