Any known reasons for eye-strain in win10/win11?

I remember when I first upgraded to win10, my eyes hurt a lot, so I went back to 7 for few years. Then in few more years upgrading to win10 went fine.

Now I've moved win10 to another hardware which involved reinstalling a lot of drivers, restoring boot partition and enabling Microsoft Shop to get audio drivers etc. some of my previous apps disappeared so I assume change was significant.

And I get eye strain again.