The blue light filter does two things:
Let’s take a closer look at each one of these things.
Before you ask why blue light is so bad, let me explain – NOT all blue light is bad light. Our Sun is the main source of blue light and it doesn’t harm us. The blue light that comes from all kinds of digital devices is what harms us. It is the reason why you can’t fall asleep at night.
I don’t know if you’ve heard about PWM Flicker before. If you haven’t, here’s what your eyes look like when you sit in front of your PC:
Considering the fact that a blue light filter will solve both of these problems, for me it is a MUST.
The one I use is called Iris