The EyeWriter project

The EyeWriter project is an ongoing collaborative research effort to empower people who are suffering from ALS with creative technologies.

It is a low-cost eye-tracking apparatus & custom software that allows graffiti writers and artists with paralysis resulting from Amyotrophic lateral sclerosis to draw using only their eyes.
More at eyewriter.org

The Eyewriter from james powderly on Vimeo.

The Eyewriter from Evan Roth on Vimeo.

We have discovered this via Urban Social Design