Bad thing is when you realize that working on large quality monitor over 85hz is the best for your eyes, you already have bad eyesight. I was 10 when I got my first pc [that was 16 years ago :) ], so since then I'm spending most of my time front of the monitor. As we now in the beging there was no chance to get a "good" monitor. People in the same age, with perfect eyes [meaning ove generations] also ruined their sight a bit. So I guess good equimnet with godd contact or glasses. And less coffee!