gigabyte g24f 2

Hello! My 9 years old display died, so now I need a new one. I got Acer Nitro VG252QSbmiipx (165hz, IPS, LED, 1ms, 400 cd/m2), but can't get used to it, my eyes feel discomfort (previous display was 60hz, AH-IPS, 7ms, 250cd/m2). Not sure if it's backlight bleed or too intensive brightness causes...