Yes, they are
If you are spending a lot of time in front of the computer, one of the best things you can do is to download a blue light filter app
Blue Light filters block a huge amount of Blue Light from your computer thus helping you sleep better, some can even block 100% of the blue light being emitted
You can also block PWM Flicker which is the main cause of eye pain.
Currently, the only program that blocks PWM Flicker and also reduces Blue Light is Iris