wlmsn Hard to say. I always tend to think there are multiple factors playing at once, including glare. So it could be PWM, temporal dithering, more blue light with each model, then glare, then WIFI EMF, which according to some research would cause harm or irritate eyes first. If glare is a major factor, then it must be psychological too. Probably the easiest way to test it is to purchase or make DYI anti blue light matte screen cover, then see how it goes