Looking at a computer screen all day can be very hard on the eyes.

成天盯着计算机屏幕可能会对眼睛造成严重损害。

《牛津词典》

It's harmful for your eyes to stare at the computer or mobile phone screen for a long time.

长时间盯着电脑或手机屏幕对你的眼睛有害。

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Another argument against allowing children to play computer games is that it's harmful for their eyes.

反对让孩子玩电脑游戏的另一个论据是这对他们的眼睛有害。

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The MREAL System for Mixed Reality (that's the full name -- or, if you want to drill down even further: the headset is the HM-A1 and the software platform is MP-100) generates video of one's surroundings using a pair of cameras positioned in front of the wearer's eyes, which is combined with computer-generated graphics.

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Vision breaks are not just important for your eyes - research at Cornell University in New York State has found that computer workers who take short breaks are more productive than those who don't take breaks.

BBC: Computer eye tests