What is an eye-typer?

Answer 1

a device which allows disabled people to type using their eyes

Answer 2

An eye typer is a device made for people who are unable to use typical computer equipment. A camera is mounted on the computer that focuses on a user's eyes, and can tell where the user is looking. Mouse clicks are made by blinking slowly.

Answer 3

It is a device that fits around the muscle of the eye and detects movement. When the muscles move, a pointer on the screen move, allowing the user to type with their eye.