🚀 go-pugleaf

In article <2427@ttidca.TTI.COM>, hollombe@ttidca.UUCP writes:

[some discussion about flourescents and flickering and headaches delted]

> All of the above is overlooking a rather important physiological point.
> According to my psych. course in Sensation and Perception, under ideal
> circumstances the maximum flicker rate detectable by the typical human eye
> is about 60 hz.  That's why projectors in movie theaters open and close
> their shutters 3 times per frame, yielding an undetectable flicker rate of
> 72 Hz (and why movies were called the "flicks" before they discovered that
> trick).

> Therefore, if fluorescent tubes strobe at 120 Hz, they can't be causing
> your headache problems.  Your eyes are physiologically incapable of
> detecting the flicker.

Are our eyes physiologically incapable of detecting the flicker, or are
our tests incapable of detecting the response our eyes have to the flicker?
Before I was old enough to understand the difference between flours and
incans, flour lights caused me eyestrain and headaches.  (This could
have been caused by other effects, but I doubt it.)  Even now, flour lights
bother me... I just stay out of them as much as possible, and try and
have incans in whatever office space I'm working.

Just curious.
-- 
                                Know Future
Another journalist with too many spare MIPS.
J. Eric Townsend ->uunet!nuchat!flatline!erict smail:511Parker#2,Hstn,Tx,77007