[elorant]

Have you tried flux? It reduces the color temperature making it more mild during afternoon/night hours. It's a life saver.

https://justgetflux.com/

[giberson]

I use flux already and love it. However, it itself is/was not enough to solve headaches--but I use it for more comfortable evening/morning viewing of the screen.

[enigmalord]

yup it's cool and free too