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From: colonel@sunybcs.UUCP (Col. G. L. Sicherman)
Newsgroups: net.med
Subject: Re: VDT's and eyes.
Message-ID: <2630@sunybcs.UUCP>
Date: Wed, 18-Dec-85 15:30:33 EST
Article-I.D.: sunybcs.2630
Posted: Wed Dec 18 15:30:33 1985
Date-Received: Fri, 20-Dec-85 05:52:52 EST
References: <214@ski.UUCP>
Organization: Travelers' Advisory
Lines: 14

> In article <> mmm@weitek.UUCP (Mark Thorson) writes:
> >Here's an interesting phenomenon.  Run your finger along the line of dots
> >from left to right.  Do it slowly, so that it takes about two seconds for
> >your finger to cross the screen.  Track your fingertip with your eyes.
> >You should be able to see a "race lights" effect, where you see the dots
> >moving.

The direction in which the beam scans the screen may have something to
do with it.
-- 
Col. G. L. Sicherman
UU: ...{rocksvax|decvax}!sunybcs!colonel
CS: colonel@buffalo-cs
BI: csdsicher@sunyabva