There are special blue light blocking glasses. Most of them look like this:
What they do is that they apparently block the blue light that your PC/TV/phone emits.
A lot of people use them in the office, while they work.
I don’t find them very comfortable, to be honest. First, when I tried them, my headache got even worse than it was without them.
I also don’t like the idea that I can’t customize them, I can’t say how much blue light I want to be blocked, and how much not.
And last but not least, they don’t remove the problem. Once I take them off, the blue light is still there. If I forget my glasses there’s nothing I can do about it.
That’s why I switched to a blue light filter.
There is plenty of blue light filters – like.