I read in !emc-pstc that Crabb, John <[email protected]>
wrote (in <[email protected]
cr.com>) about 'Photo Sensitive Epilepsy. (PSE)', on Tue, 25 Sep 2001:
>Would anyone have any guidelines on how to design computer graphics
>in such a way to avoid inducing Photo Sensitive Epilepsy in anyone
>who suffers from that complaint ?

Avoid sudden changes of screen brightness, especially flashing with
repetition rates between two frequencies that I'd rather not state,
because opinions differ. Avoid moving vortex patterns too, AIUI.

A web search for 'epilepsy AND photosensitivity' will probably give you
more information that you will ever need.
-- 
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk 
Eat mink and be dreary!

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