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From: schwartz@nynexst.com (S. H. Schwartz)
Newsgroups: comp.human-factors
Subject: Re: Eye Movement Tracker
Message-ID: <1991Jun17.163908.3419@nynexst.com>
Date: 17 Jun 91 16:39:08 GMT
References: <164661@felix.UUCP>
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Organization: Expert Systems Lab., NYNEX Sci. and Tech., White Plains NY
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In article <164661@felix.UUCP> asylvain@felix.UUCP (Alvin "the Chipmunk" Sylvain) writes:
>Such devices already exist, but they require physical contact with the
>eyeball.  This is undesireable (at least to me!)

The EyeGaze system was demo-ed at CHI-91.  It bounces an infrared beam
off the retina.  A gaze prolonged > 200 msec is considered a selection.
A "Pause" button temporarily suspends selection, to permit "browsing."

>Don't forget, if anybody _does_ invent such a thing, you heard it here
>first!

No, I didn't.  :-)
-- 
S. H. Schwartz					schwartz@nynexst.com
Expert Systems Laboratory			914-683-2960
NYNEX Science and Technology Center			
White Plains NY 10604