時差N小時:計算機視覺綜合癥

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雅艾爾：唐，怎么樣?

Don: OK, I guess.

唐：我猜還好。

Yael: What's wrong?

雅艾爾：出什么事了?

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

唐：哦，最近我一直頭疼，脖子和肩膀也有點酸痛。Yael: It sounds like you have the classicsymptoms of computer vision syndrome.

雅艾爾：聽起來你像是得了典型的計算機視覺綜合癥。

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：真的嗎?我明白為什么一直盯著電腦屏幕會讓眼睛疲勞，但為什么脖子和肩膀也會酸痛呢?

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.

雅艾爾：因為當(dāng)你花一個小時待在電腦面前，一不小心就會讓整個身體備受壓力。例如，你的眼睛能很好地集中在像報紙等黑白分明的印刷物上。但電腦屏幕上的文字卻并沒有那么明顯清晰，因此我們的眼睛必須更加努力地工作。而眼部肌肉的拉緊就會導(dǎo)致頭痛。

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

唐：好吧。但我們對此也無能為力是嗎?

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

雅艾爾：是的，但你可以讓眼睛看東西更舒服一些。我猜你的顯示器與眼睛處于同一水平線上，對嗎?

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

唐：是的。而且我打字時總是盡量坐直。

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.

雅艾爾：但這樣會傷害你的眼睛。眼睛朝下看東西會更容易一些，例如把書放在大腿上看。眼睛直視前方會比較困難。坐直也會給脊椎施加壓力。其實最好的坐姿是稍微向后傾斜。

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

唐：我會試試的。我還聽說滴眼藥水和適當(dāng)?shù)男菹⒁财鹱饔谩?/p>

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.

雅艾爾：說得對。還有其他許多辦法可以嘗試，比如配帶專門幫助眼睛看屏幕的眼鏡。你可以在網(wǎng)站上搜索更多有助于電腦視覺綜合癥的小貼士。