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Android Central
Android Central
Technology
Nicholas Sutrich

My phone is making me sick and I'm not alone

Turning green because of PWM flickering while looking at a Samsung Galaxy Z Fold 4

It all began one day when I was playing Fortnite with my wife and my son. I was using a Samsung Galaxy Z Fold 4 with my favorite mobile controller — the GameSir X2 — and I noticed my eyes ached after playing for an hour or so. I had just turned 37 two months prior and knew that as I got closer to that magical age of 40, things like this would just start happening.

I told myself that it must just finally be time to get glasses. Can't have perfect vision forever but, as it turns out, my issues had nothing to do with focusing on something close or far away from my face. It all had to do with the type of display I was staring at.

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