Web accessibility for seizures and physical reactions - Accessibility
the fact that static images may cause seizures and other disorders is documented in such articles as “gamma oscillations and photosensitive epilepsy”, where it is noted “certain visual images, even in the absence of motion or flicker, can trigger seizures in patients with photosensitive epilepsy” the epilepsy foundation, in its article, "shedding light on photosensitivity, one of epilepsy's most complex conditions" talks about static images and patterns.
...macknik on november 1, 2014 discussions problems with wcag 2.0 flash definition #553 wcag 2.1 understanding 2.3.1 - missing/vague dimension definitions #585 epilepsy and seizures shedding light on photosensitivity, one of epilepsy's most complex conditions epilepsy foundation certain individuals are born with special sensitivity to flashing lights or contrasting visual patterns, such as stripes, grids and checkerboards.