Eye-tracking in browser
you need a close up picture like this:
No camera found, please attach a usb webcam
you will need to 'allow' permission, to stream video from your webcam
a built in webcam is no good, recent builds let you select your usb camera.
please view fullscreen F11 at HD 1920x1080 in Firefox 21, Opera, Chrome or Safari-webkit for best results.
Build How to:
please Calibrate: archive ~1° output with foveated fixations
then Test: archive ~0.7° output showing cursor under eye control