1. Eye-Tracking Devices An Assistive Technology
By Annrita Benavente ED
April 18, 2013

2. What is an eye tracker?
“An eye tracker is a device that uses projection patterns and optical sensors to gather data about gaze direction or eye movements with very high accuracy.” …in other words, “Gaze Stalker”

3. Compact Eye Tracker
Tobii IS20 and IS30 compact eye tracking device that attaches to monitors to provide accuracy in service

4. How does it work?

5. Cont… Basically… Corneal reflection tracking Follows eye movement
Allows navigation through eye movement
Also could be combined with word-completion software

6. What can be tracked? Gaze direction/gaze point Eye presence detection
Eye position
Eye identification
Eyelid closure
Eye movement and patterns
Pupil size/pupil dilation

7. What are its uses? Low motor capabilities aid Web/computer navigation
Research
Marketing
Computers, cars, webcams, phones, search engines, televisions, etc.

8. How much?
$4,000 - $40,000 Or simply… Too Much!

9. Work Cited
Tobii Products and Services:
WebAIM: Motor Disabilities Assistive Technology:
Eye Tracking Update: