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From walking and driving to things we take for granted, like eating and entertaining ourselves, people with disabilities face challenges every day. Technology like our Eyegaze Edge® can help people meet these challenges head-on. The Eyegaze Edge®, an eye-controlled communication and control system, uses the pupil-center/corneal-reflection method to determine where the user is looking on the screen. Here’s how it works:

An infrared-sensitive video camera, mounted beneath the system’s screen, takes 60 pictures per second of the user’s eye. A low-power infrared light emitting diode (LED), mounted in the center of the camera’s lens, illuminates the eye. The LED reflects a small bit of light off the surface of the eye’s cornea. The light also shines through the pupil and reflects off the retina, the back surface of the eye, and causes the pupil to appear white. The bright-pupil effect enhances the camera’s image of the pupil so the system’s image processing functions can accurately locate the center of the pupil.

This fascinating technology is changing the lives of our users, including those below:

1. Jack

“I used my Eyegaze Edge® to do the Internet, email, Facebook, and schoolwork. I do algebra, spelling, social studies, and English work at school and at home. When I was sick in the hospital, I told the doctors and nurses what I needed by using my Eyegaze Edge® because I couldn’t talk when I had a breathing tube. I’m using my Eyegaze Edge® to write this story about how I use my Eyegaze!”

2. Jim

“My arms and hands were deteriorating quite rapidly, meaning I couldn’t work anymore. The Eyegaze Edge® saved my software engineering job. I can control a Mac and do everything with my eye that I used to do with my hands. I can respond to email, I can program, I can control debuggers, I can surf the web, and I can hold conversations, not fast but with practice I’ll get faster.”

3. Liam

Liam is one of our youngest users. He was able to run the system with only his eyes before the age of two. The flexibility of the Eyegaze Edge® allows him to operate the system from any position.

4. Joe Martin

Joe was an early Eyegaze Edge® user. As senior vice president of Nations Bank, he participated in merger negations via email written with his Eyegaze system. After retiring from the bank, he went on to write and publish two books.

5. Cassandra

Cassandra, with cerebral palsy, was an Eyegaze Edge® user since she was 8 years old. By her mid-twenties, she owned her 3rd Eyegaze system. She used her systems throughout her entire education.