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20/20/20 rule. Every 20 minutes, look 20 feet away, for 20 seconds. There are many apps out there that can remind you. I use one on MacOS called Pause.
by zikduruqe 4y ago
20/20/20 rule.
Every 20 minutes, look 20 feet away, for 20 seconds.
There are many apps out there that can remind you. I use one on MacOS called Pause.