Moving Ahead with Eye Power
From: Medical Design Briefs - 01/01/2011

Eye trackers have literally opened up the world to many disabled people who
suffer from limited movement and speech. The sophisticated devices track eye
movements - distinguishing the viewer’s precise gazepoint at a computer
screen - enabling communication and environmental control through an array of
interface tools. For example, a man whose motor control is limited to his
eyes can write a regular newspaper column, and a quadriplegic girl can attend
school and participate in class with the help of an eye tracker. 

Read the entire article at:
http://www.medicaldesignbriefs.com/component/content/article/8941

Links:
LC Technologies’ Eyegaze System
http://www.eyegaze.com/

Medical Design Briefs' Rehabilitation & Physical Therapy articles
http://www.medicaldesignbriefs.com/mdb-rehab