Fish eyes have ultraviolet receptors and a more spherical lens than humans.

鱼的眼睛有紫外线感受器和比人类更圆的晶。

Doctors remove the useless lens from the eye.

医生将无用的晶从眼睛中取出。

Then, they put in a clear, plastic lens.

然后，他们放入一个透明的塑料晶。

In this shape, the lens focuses images behind the retina.

在这种形下，晶聚焦视网膜后面的图像。

In humans, this lens is curved to process light waves traveling through air.

人类的晶是弧形的，以处理穿过空气的光波。

Lens on the front to focus light onto a retina in the back.

前面的晶将光线聚焦到后面的视网膜上。

So Neilsen and colleagues used a new technique based on the lens of the eye.

所以尼尔森和同事采用了一项以眼睛晶为基础的新技术。

Positional; anterior displacement of lens E. G. after trauma.

位置；例如外伤后晶前移。

The lens focuses the image in front of the retina.

晶会把光线聚焦到视网膜前方。

It takes Dr Ruit just half an hour to remove Teteeni's fogged lenses.

鲁特医生只用了半个小时就取出了特缇妮眼中混浊的晶。

Not just the lens in front but the retina in back too.

不止以拍到晶还以拍到视网膜。

Light can shine through this lens without any problem.

光线以毫不费地穿过这个晶。

In this shape, the lens focuses light directly onto the retina and produces a clear image.

在这种形下，晶将光线直接聚焦到视网膜上，并产生清晰的图像。

In this shape, the lens can focus up close images onto the retina.

在这种形下，晶以将近距离的图像聚焦到视网膜上。

The cataract is the clouding of the lens which is on the inside of the eye.

白内障是眼睛内部晶的混浊。

He then replaces them with a synthetic lens he manufactures himself.

取而代之的是他自己制造的人工合成晶。

In a cataract, the clear lens at the front of the eye slowly becomes unclear or cloudy.

白内障会让眼睛前面的透明晶变得不清楚、模糊。

Her blindness is caused by cataracts, a fogging of her lenses exacerbated by the intense mountain sun.

她的失明是由白内障引起的，眼球内的晶由于高海拔处强烈的阳光照射而变得混浊。

For example, if an eye lens dislocates, it can be removed and replaced by an artificial lens.

比如，晶脱垂的患者以通过晶摘除及人工晶置换来治疗。

Most mammal eyes have a structure called a lens—a transparent, convex structure whose shape refracts light to enable sight.

多数哺乳动物的眼睛都有一种晶结构——一种透明、凸起的结构，折射光线成像。