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Your eye muscles get fatigued from focusing on a close screen for too long, and your eyes also blink less when staring at a display, which dries them out and makes vision fuzzy. Take breaks every 20 minutes or so and look at something far away to let those muscles relax.
your eyes' focusing muscles get fatigued when they're locked at one distance for too long, and the reduced blinking while staring at screens makes your surface dry out. take breaks every 20 minutes or so - look at something far away for a few seconds and you'll feel the difference pretty quick.
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