WARNING!
Quadrina can cause high
levels of visual stress. This could result in epilectic seizures as well as
migraines and other headaches.
Please do not view this if you have a history of epilepsy.
Discontinue use immediately if your eyes or brain start to ache or otherwise
fail.
Approximately one person in 6000 has photosensitive epilepsy; many do not know
it.
The rate is about five times as high in the 7-20 age group. See here for more
information on photosensitive seizures.
