Do you use Bloom or Vignette at video settings?
I have everthing on off
bloom is the only setting you might want to turn on but its preference
enhances the glowing effect of enemy players as far as i know also skins look a bit better
I saw so many people using Vignette, GUARD Trent, Sinatraa, Scream, Asuna
i usually turn off everything that i can in all the games that i play, so i assume this is off too