4. Eye typer

This can be used by people who cannot use a hand or foot operated mouse and a conventional keyboard.

A camera is mounted onto the computer and it is set to focus on the user's eye.

The camera determines where the user is looking and monitors movements made by the eye.

Mouse clicks are done with a slow eye blink.


challenge see if you can find out one extra fact on this topic that we haven't already told you

Click on this link: Input devices for the disabled