I also have a problem with the current appearance of the galaxy. I started having problems after an earlier update which included changes to the graphics of the galaxy. I solved my problem with a mod that put the graphics back to what they were before the previous update, that made a few more changes to get things to look the way I wanted.
I have updated the mod to include changes in 2.8 that didn't give me eye trouble while keeping what made it look better to me. It works for me and also worked on a saved game I started without mods, so I could continue playing it.
If anyone wants it, it is available here.
All changes have a comment and can be found by searching for mod: