时差N小时:计算机视觉综合症

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雅艾尔：唐，怎么样?

Don: OK, I guess.

唐：我猜还好。

Yael: What's wrong?

雅艾尔：出什么事了?

Don: Well, I've been getting headaches lately, andmy neck and shoulders are kinda sore.

唐：哦，最近我一直头疼，脖子和肩膀也有点酸痛。Yael: It sounds like you have the classicsymptoms of computer vision syndrome.

雅艾尔：听起来你像是得了典型的计算机视觉综合症。

Don: Really? I can see why staring at a computer screen might strain my eyes for somereason, but why would that make my neck and shoulders sore?

唐：真的吗?我明白为什么一直盯着电脑屏幕会让眼睛疲劳，但为什么脖子和肩膀也会酸痛呢?

Yael: Because when you spend hours at a time at a computer, if you're not careful you can puta lot of strain on your entire body. So, for example, our eyes are good at focusing on the sharpblack and white contrast of printed stuff like a newspaper. But characters on a computerscreen aren't so well defined or sharp, so our eyes have to work harder just to focus. Thatstrains the eye muscles and can cause headaches.

雅艾尔：因为当你花一个小时待在电脑面前，一不小心就会让整个身体备受压力。例如，你的眼睛能很好地集中在像报纸等黑白分明的印刷物上。但电脑屏幕上的文字却并没有那么明显清晰，因此我们的眼睛必须更加努力地工作。而眼部肌肉的拉紧就会导致头痛。

Don: OK. But there's nothing I can do about that, right?

唐：好吧。但我们对此也无能为力是吗?

Yael: True, but you can make things easier on your eyes. I'm guessing that your monitor is ateye level, right?

雅艾尔：是的，但你可以让眼睛看东西更舒服一些。我猜你的显示器与眼睛处于同一水平线上，对吗?

Don: Yep. And I try to sit up straight when I'm typing.

唐：是的。而且我打字时总是尽量坐直。

Yael: But those things are hurting your eyes. It's easier on the eyes to look down at something,like a book in your lap. Looking straight ahead is more difficult. And sitting up straight putspressure on the spine. It's actually best to lean back slightly.

雅艾尔：但这样会伤害你的眼睛。眼睛朝下看东西会更容易一些，例如把书放在大腿上看。眼睛直视前方会比较困难。坐直也会给脊椎施加压力。其实最好的坐姿是稍微向后倾斜。

Don: I'll try it. I've also heard the using artificial tears and taking a break from staring at thescreen helps.

唐：我会试试的。我还听说滴眼药水和适当的休息也起作用。

Yael: That's right. There are lots of other things you can do, too, like wearing glasses designedto help your eyes focus on the screen. You can find more tips by doing a web search forcomputer vision syndrome or cvs.

雅艾尔：说得对。还有其他许多办法可以尝试，比如配带专门帮助眼睛看屏幕的眼镜。你可以在网站上搜索更多有助于电脑视觉综合症的小贴士。