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Discovered last year I couldn’t look at my 2015 MacBook Air without it triggering nausea and migraines, and figured the screen died. Have been getting by on my phone, but concluded I really need a laptop again.

Saved up, realised I could afford a brand new MacBook Neo, and got one.

-And I couldn’t spend more than five minutes looking at the screen without massive eye strain, nausea, vertigo, and if I pushed it, I-need-to-lie-down-in-a-dark-room-for-hours migraines.

Looking up MacBook and Eyestrain explained what is going on. The liquid retina displays that Apple currently has uses Pulse Width Modulation or PWM. In order to give the screens a deeper depth of colour and contrast, PWM flickers between several hundred to thousand times a second.

And there is currently no way to turn it off. There are settings and apps to reduce it, but there is no way to stop the screen from flickering. Checked Apple forums, called Apple Support, and the time I could look at the screen kept shrinking. Got the laptop Tuesday, returned it Friday, today is Sunday and I’m still dealing with a vertigo migraine.

For MacBooks, it seems to vary on the computer model and the software it uses. In retrospect, the issue with my MacBook Air started after a major software update.

And it’s not just an Apple thing. Current Windows and Android screens do the same thing. There’s even a Reddit for people who are sensitive to PWM flickers to help find computers and screens that won’t trigger eyestrain and headaches.

So, yeah. This week has been a learning experience. But for those who are prone to headaches and migraines, this may be something to be aware of, cause I was not.