Are all flickers harmful?
author: Sincerelux
2024-09-19
Not all flickers are harmful。
Flicker generated by lighting is annoying, but there are some flickers that we want in our lives, such as:
1. The lights on ambulances, fire trucks and police cars;
2. The wing-tip lights of an airplane during landing;
3. Laser light shows in concerts and bars;
4. In addition, LED lights with specific flicker frequencies can help treat Alzheimer's disease.
Harmful flicker.
However, in many cases, flicker can cause harm, such as:
1. Light sources with flicker frequencies of 3-70Hz may trigger photosensitive epilepsy in some people;
2. Light sources with a flicker frequency of 100Hz can cause headaches and migraines;
3. Light sources with a flicker frequency of 120Hz can affect people's emotions, causing irritation and anxiety;
4. Flicker-induced visual illusions in industrial settings can also be dangerous, and so on.
CASAMBI
What is flicker?
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