The flexibility of the lens decreases with age; it is therefore common for our sight to worsen as we get older.
眼球晶状体的柔韧性随着年龄的增长而降低；因此普遍的情况是随着我们年纪变老，我们的视力就会变差。
It has a lens system to focus light onto the film at the back of the camera.
它的镜片系统可以将光线聚焦到相机后部的胶片上。
A lens would magnify the picture so it would be like looking at a large TV screen.
透镜会把图像放大，这样就会像看大电视屏幕。
Our new sensor is smaller and smarter, it can be fixed to a lens and keep direct contact with tears.
我们的新感应器更小、更智能，可以固定在隐形眼镜上，与眼泪保持直接接触。
The contact lens has not been put to the market, but researchers are quite sure that it will be welcomed.
这种隐形眼镜还没有投放市场，但研究人员确信它会受到欢迎。
What about it trivializes that crime? I guess it's just that there's no moral lens that we're looking at it through.
它是如何使犯罪变得微不足道的呢？我想这只是因为我们没有通过道德的角度来看待它。
It has a wide-aperture lens to capture as much light as possible, and the technology requires no clunky auto-focus mechanism. It adjusts exposure time automatically.
它的大光圈镜头可以摄入尽可能大的光量，所用技术并不需要笨重的自动对焦系统，曝光时间也是自动调节。
It was for handheld work: lightweight, and stripped down to the camera body and lens.
他用它进行手持拍摄：原本重量就轻，又被他简化得只剩下了机身和镜头。
Nearsightedness associated with cataracts in the center of the lens is often classified with the pseudomyopias, but it is actually a permanent change in the way light focuses in the eye.
与发生于晶状体中心白内障相关联的近视被归于假性近视一类，但它确实且永久地改变了光线在眼内聚焦的方式。
Your phonecam is the only picture-taker you're packing these days, so make it better with these peepers that snap over the existing lens via a magnetic ring.
你的手机相机是你这些日子依赖唯一的照相工具，所以为了让相机上的”小眼睛“透过现有的镜头拍到更好的照片，在上面装个磁环吧。
I couldn't ask for more and am happy to have captured it - a mundane part of our everyday made more beautiful through the lens.
我不能再要求更多了，所以我很高兴的把这个时刻给拍下了。我们生活平凡的一刻，我们通过镜头使得变得更加美丽。
This causes it to polymerise and then change shape, which means the ophthalmologist can tweak the lens to alter its power.
这束光使人工晶体上的光敏物质聚合，并改变形状，这意味着眼科学家能够调节这些晶状体来改变它的功效。
In my mind, it was pointless having a "fixed" lens when there were so many good quality zoom lenses around.
在我心目中，我认为在有着众多高质量的变焦镜头时使用“定焦”镜头是无意义的事情。
Modulating the water pressure in the lens and below the sensors, makes it possible to produce a variety of magnifications.
通过调解镜头中和传感器底部的水压就能完成改变摄像头放大率的功能。
It isn't a speck of dust, it isn't a smudge on the camera lens or on your monitor.
这可不是灰尘瑕疵，也不是照相机镜头或者你的屏幕上的污垢。
And the main lens is preset so that it always captures the greatest amount of light possible.
主镜头是预置的，以使得其始终捕获最大限度的光线。
As the lens is so thin (between 6mm and 11mm), it could be used to replace the backlight of an LCD TV.
因透镜十分薄(6到11毫米)，它可取代LCD电视机的背光。
The camera is only part of the equation when it comes to image quality; the lens has an equally important role to play.
机身仅仅是决定成像质量的一部分，镜头同样重要。
The M8, the first digital member of the M family, was released in 2006. The asking price — $4, 800, without a lens — was enough to make it a major investment for any photographer.
2006年，第一个数码家族成员M8上市了，售价为4800美元，且不含镜头，这对任何摄影者来说都是笔不小的开支。
It uses an f/2.2 lens, and gives more manual control than other Windows Phones to take advantage of it.
它采用了一个f/2.2镜头的摄像头，这要比其他的WP系统的手机都有优势，因为它的操控性更强。
Slice a small hole in the side of a carrier bag and stretch it over the lens hood, fastening with a rubber band to keep it in place.
在一面切个小洞，绷在镜头的那个圈圈上，再用胶带粘牢。
"Instead of having light travel in air, it travels within the lens," he says.
Bathiche解释说：“光线在这种镜片的内部传播，而不像普通镜片那样在空气中传播（和光纤非常类似）。
These products use the existing eye muscles to change the shape of the lens and move it backwards and forwards in the eye during focusing.
这些产品使用现有的眼睛肌肉去改变晶体的形状，在眼睛聚焦的过程中使它向前和向后移动。
Sometimes it looks like the Sun is being viewed through a large lens.
这看上去好象是透过一个巨大的棱镜看的太阳。
To make their lens, the researchers took a biodegradable polymer called PLGA and dissolved it in an organic solvent, and then they added their drug.
研究者采用了一种叫PLGA的生物降解聚合物来制造镜片，首先将其溶解在有机溶剂里，然后加入药物。
The illustration above is a concept image showing what it would look like with the lens displaying a digital overlay of the letter E.
上面的插图是一幅概念图片，显示了戴上这种眼镜会看到的情景：画面上叠加了一个字母E。
If a large object passes in front of a more distant background star, it may act as a lens, bending and distorting the light of that star so that it may appear to brighten significantly.
如果一个体积足够大的星体从一个距离很远的恒星前面经过，那么会产生透镜效果，使那个恒星的光线产生弯曲或变形，这样就能很清楚的看到这个星体。
Hold it! You almost stepped on my contact lens!
站着别动，你差点踩在我的隐形眼镜上。
If you are still wearing glasses, why not give it a try with contact lens?
如果你现在还在戴眼镜，为什么不试着用个水晶体。
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