I'm looking at http://www.epilepsy.com/learn/triggers-seizures/photosensitivity-and-seizures http://www.epilepsy.com/learn/triggers-seizures/photosensiti..., an

I'm looking at http://www.epilepsy.com/learn/triggers-seizures/photosensitivity-and-seizures http://www.epilepsy.com/learn/triggers-seizures/photosensiti..., and it seems it's not just the framerate that matters. In particular, 5 to 30 frames per second might be enough, and it depends on the actual image contents. It also makes it sound like static images might also be triggers.