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- 20 20 20 Rule | RestEyes
- macOS 應用程式: 健康塑身 由: Rohan Sachdeva
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- 點數: 1 + 0 版本: 3.3 What is the 20-20-20 Rule? The 20-20-20 Rule states that when staring at a screen for long periods, it is beneficial to look away from your screen every 20 minutes at something 20 feet ⥯
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