I dont know what's wrong with Apple's displays... they just seem to bother my eyes and it is not the PWM. I tried almost every option... macbook air m1, ipad pro, ipad air 3, iphone. They all make my eyes extremely dry. This was not present however with older devices like macbook air 2015 and iPhone 6S, but unfortunately they are too old for me to use because I need more performance for university. In the begining I thought it was the PWM, but then I tried a samsung galaxy tab S7 plus, and.... no problems, even after several hours using the screen !!! When with the ipad pro, my eyes are getting dry as hell if I use it for several hours, and the galaxy tab definitely has PWM at low brightness and I use it almost all the time under 20% !
Maybe OLED pannels are a better match for my eyes, but then why the iphones are bothering my eyes, wtf!
It looks like the apple screens are too saturated and too contrasty, and my eyes have a hard time because of it, I end up having blured vision if I read text for a lomg itime on them, but not on the samsung galaxy tab. Weird.
It's a shame, apples devices are so good right now, and are even better briced that a lof of other brands. I wish I could use them, but unfortunately for now I give up.