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戴眼镜会损害视力吗?

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2018年11月06日

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戴眼镜会损害视力吗?
As we age, our eyesight can get worse. Although lenses can compensate for these changes, many people worry that wearing glasses will make their eyes become dependent on visual correction. In other words, they think if you wear specs, your sight will deteriorate even more.

随着年龄的增长,我们的视力会变差。虽然眼镜可以弥补这些变化,但很多人担心戴眼镜会使眼睛变得依赖眼镜。换句话说,他们认为佩戴眼镜,视力会更加恶化。

Thankfully, this is not how our peepers actually work.

谢天谢地,事实不是这样的。

“Wearing glasses will not make your eyes worse,” says Michael J. Duerr, an optometrist in Rochester Hills, Michigan. “Your actual prescription is based on the anatomy of the eye: the front curve of the cornea, the refractive power of the intraocular lens, and the length of the eyeball.” And peering through spectacles won’t change that anatomy, Duerr says. “Wearing glasses or soft contact lenses will not change what your required prescription is.”

戴眼镜不会让你的眼睛变得更糟,”密歇根州罗切斯特山的验光师Michael J. Duerr说。“眼镜的模式是基于眼睛的解剖结构的,”Duerr说,通过眼镜看东西不会改变眼睛的解剖结构。“佩戴眼镜或软性隐形眼镜不会改变视力。”

But when you take off your glasses, the world seems blurrier than you remember. Does this indicate that you “need” your glasses more now than you did before you got them? Not necessarily. That change probably just means you’re getting used to seeing things clearly, according to the American Academy of Opthamology. Now that you know what the world is supposed to look like, it’s hard to go back—even if you thought your vision was fine before.

但是,当你摘下眼镜时,世界似乎比你记忆中的更加模糊。这是否表明你现在比你之前更需要你的眼镜?不一定。根据美国眼科学会的说法,这种变化可能只是意味着你已经习惯于清楚地看清事物了。既然你已经知道这个世界应该是什么样子,那么很难回头 - 即使你以前认为自己的视力很好。

It’s true that you may find yourself needing stronger and stronger prescriptions as the years go on, but again: This isn’t a result of wearing glasses. Our vision deteriorates as we get older, and chances are, you’ll need to upgrade your prescription from time to time.

确实,随着岁月的流逝,你可能会发现自己需要更厉害的镜片,但同样:这不是戴眼镜的结果。随着年龄的增长,我们的视力会下降,所以你可能会需要不时升级眼镜。

That brings us to another interesting worry: Some people fear that wearing an incorrect or outdated prescription can cause their eyesight to get worse. This is also a myth, at least in the case of adults—two studies found that incorrect prescriptions did slightly increase the progression of myopia, or nearsightedness, in children.

这给我们带来了另一个有趣的担忧:有些人担心戴法不对或过时的镜片会导致他们的视力变差。这也是瞎说,至少在成人以后 - 两项研究发现,不正确的镜片确实略微增加了儿童近视。

In addition, the special glasses given to children with crossed eyes or a lazy eye can actually change them—but in a good way. These aids help straighten the eye. The real harm comes from not using them, according to the Opthamology Department at Mayo Clinic Health System in La Crosse, Wisconsin: “Not wearing such glasses may lead to permanently defective vision.”

眼睛本身不正常的人如果不戴眼镜就更糟糕,他们需要特殊眼镜来帮助矫正,不戴就会恶化。

But don’t fear wearing glasses: There’s no evidence that the correct prescription will worsen eyesight in children or adults. As long as you stick with your annual or bi-annual checkups, you shouldn’t have anything to worry about. Wear your specs whenever you need them, and enjoy the privilege of seeing clearly.

没有证据表明正确佩戴眼镜会使儿童或成人视力下降。只要你坚持一年一度或每年一次的体检,你就不必担心什么。定期检查,看清世界。


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