Erba, can you explain how fireworks can trigger a seizure?
Any strong light that flashes repeatedly straight into the eyes of an individual with photosensitive predisposition to seizures has the potential for causing a seizure. In addition to the intensity of the light (luminosity) and the flicker (frequency), there are other determining factors such as the color (red being more provocative than green and blue), the contrast between light stimulus and background, and the extent to which the light stimulus fills up the field of vision. Fireworks are no exception in terms of potential risks. However, visual effects vary greatly in the course of fireworks and the risk will change accordingly. Typically, the first part of the fireworks program consists of single shots in two or three successive stages, generating trajectories of small multicolored lights that move at slow pace, leaving an evanescent trace that quickly vanishes. The overall effect is that of a slow moving, irregular linear pattern that does not flicker. It is unlikely that single f
