People with photosensitive epilepsy should consider limiting the time they spend watching TV or computer monitors.
It is important to realize that flashing lights, television sets and computer games do not make a person photosensitive or cause epilepsy.
Electrophysiological analysis suggests that VA opsin horizontal cells are intrinsically photosensitive and encode irradiance information.
Citronella is extremely strong and can blister the skin, it is also photosensitive and as such can cause accelerated extreme sun burn.
Photosensitive (photochromatic) lenses that darken in the presence of bright light are handy for people who do not want to carry an extra set of glasses.
