I personally doubt PWM is visible at all at high enough speeds (kilohertz+) even... | Hacker News

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rowanG077 on June 18, 2025 | parent | context | favorite | on: PWM flicker: Invisible light that's harming our he...

I personally doubt PWM is visible at all at high enough speeds (kilohertz+) even in peripheral vision. I would love to see a good study on this.

stodor89 on June 20, 2025 [–]

I can't see PWM flickering even at 30Hz. But it gives me bloodshot, twitching eyes even at 20kHz.

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