Selaphobia

Selaphobia (from Greek selas, "light") is the fear of flashing lights, a branch of photophobia. This phobia is often came about due to negative experiences involving flashing lights, like in urban legend flashing car lights leading to a deadly chase. Another cause is seeing flashing lights too often.

People with are more prone to suffering this phobia, while sufferers with  are more prone to panic attacks.

Selaphobes would not drive at night and would not go to dance clubs. When in common place like at home, they would keep their eyes closed while in lighted room, or they would keep the lights off.

This phobia is most commonly treated with.

In roblox flicker, some characters in the game have this phobia too, causing them to panic. It's true but canon.