Prevent computer eyestrain

Sit at least 20 inches away from the screen, and place it at or slightly below eye level.

Follow the 20／20／20 rule：every 20 minutes, focus on something at least 20 feet away for 20 seconds.

Post a reminder near your screen that says BLINK. Research shows we blink far less often when staring at a computer, and that's a major contributor to eyestrain.

防止电脑引起的视疲劳

坐在距离电脑显示屏至少20英寸的地方。显示屏应放在与眼睛平行或略低于眼睛的位置。

遵循20／20／20规则：每隔20分钟, 花20秒钟的时间, 将注意力集中于至少20英尺以外的东西。

在显示屏旁边贴一张纸, 写着"眨眼睛！"来提醒自己。研究表明, 当我们盯着电脑的时候, 我们眨眼睛的次数太少了。这是引起视疲劳的主要原因。
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