Photosensitive epilepsy

Photosensitive epilepsy
The epilepsy warning on a Star Wars Episode I pinball machine.
An epilepsy warning (bottom left) on a Star Wars Episode I pinball machine.
SpecialtyNeurology
Frequency1 in 4000

Photosensitive epilepsy (PSE) is a form of epilepsy in which seizures are triggered by visual stimuli that form patterns in time or space, such as flashing lights, bold, regular patterns, or regular moving patterns. PSE affects approximately one in 4,000 people (5% of those with epilepsy).