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From: wmartin@brl-tgr.ARPA (Will Martin )
Newsgroups: net.med,net.info-terms
Subject: Re: VDT's and eyes.
Message-ID: <755@brl-tgr.ARPA>
Date: Mon, 16-Dec-85 17:00:19 EST
Article-I.D.: brl-tgr.755
Posted: Mon Dec 16 17:00:19 1985
Date-Received: Wed, 18-Dec-85 05:23:39 EST
References: <341@weitek.UUCP> <642@ttrdc.UUCP>
Organization: USAMC ALMSA, St. Louis, MO
Lines: 26
Xref: watmath net.med:2993 net.info-terms:754

In article <642@ttrdc.UUCP> levy@ttrdc.UUCP (Daniel R. Levy) writes:
>>Here's an interesting phenomenon.  Run your finger along the line of dots
>>.............................................................................
>
>Gee whiz, I can't even notice it at all.  The dots blur a bit while following
>with my eyes, but don't move at all.  Could color of terminal screen have
>an effect?  (I am using a light amber screen; I can't stand staring at green
>screens.)

Glad to hear it! I thought I was alone!!! I, too, have gotten NO effect
at all from this experiment. I use an ADM42 (white letters on black
screen) terminal. I haven't tried looking at this on a VT100 or other
type of terminal, though. 

To those who see the effect -- have you had a chance to try it with a
wide variety of display types? Does it show up only on some and not on
others? 

Maybe it relates to quality of display. I spend all day staring at my
terminal, so I have chosen this ADM42 which has better-formed letters
and a clearer display than any other type around here (except maybe some
of the amber types). 

Will Martin

UUCP/USENET: seismo!brl-bmd!wmartin   or   ARPA/MILNET: wmartin@almsa-1.ARPA