Newsgroups: comp.human-factors
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From: mac@cis.ksu.edu (Myron A. Calhoun)
Subject: Re: Eye Movement Tracker
Message-ID: <1991Jun14.195410.3812@maverick.ksu.ksu.edu>
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Date: Fri, 14 Jun 91 19:54:10 GMT
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In <164661@felix.UUCP> asylvain@felix.UUCP (Alvin Sylvain) writes:

>How about tossing that old mouse into the trash can, and construct a
>device which looks into your eyes while you're reading the screen, and
>can actually track the precise location of what you're looking at?

>Rather than "clicking" a mouse, you just touch a button when you want to
>select the word or screen-button that's in your current "gaze."....

>Such devices already exist, but they require physical contact with the
>eyeball.  This is undesireable (at least to me!)

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

Unfortunately, you are NOT first, or even second!  The simplist I've heard
of "flickers" different parts of the screen at different rates and monitors
brain waves to deduce at which part the eye is looking.  Fancier (and more
expensive) versions monitor the reflection of a small lamp from the cornea
of the eye and calculate just where it's looking.
--Myron.
--
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