Try searching on:
Photosensitive epilepsy 
- refers to seizures triggered by flashing lights

One book on the subject:
Photosensitive Epilepsy 

Harding, Graham F.A. and Jeavons, Peter M.
(Mac Keith Press)

Abstract:
Photosensitive epilepsy is a relatively rare condition in which convulsions
are precipitated by visual stimuli. The authors have spent almost thirty
years studying this condition and have assembled the largest group of
patients ever studied by one center. This book reviews the earlier studies,
reviews all the literature on this condition in humans, and details the many
studies that have since been carried out, including studies on drug therapy,
the long-term prognosis for the condition, pattern sensitivity, video game
epilepsy, and convulsions precipitated by other video material. In addition
there is advice on procedures to reduce the risk of stimulation from
television as well as such factors as the genetics of photosensitivity.

-----Original Message-----
From: Nick Williams [mailto:[email protected]]
Sent: Wednesday, March 29, 2000 4:11 PM
To: [email protected]
Subject: Stroboscopic light sources



Does anyone know of any good resources or actual requirements for the 
safe use of stroboscopic light sources? The application is a public 
science display. I recall rumors of stroboscopes operating at certain 
frequencies being capable of triggering fits, but whether this is 
just an old wive's tale or has some basis in reality I am unclear, 
not do I know of any other potential hazards (except the obvious 
dangers of syncronisation with moving machinery).

All input gratefully received.

Regards

Nick.

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This message is from the IEEE EMC Society Product Safety
Technical Committee emc-pstc discussion list.

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