AIM: to evaluate the choosing of intraocular lens power for children with congenital cataract and its postoperative influence on the children's refractive change and axial growth.

目的：探讨先天性白内障植入人工晶状体度数的选择及人工晶状体植入术后对眼球发育状况的影响。

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Power and shutter buttons, a USB port, and a touch-sensitive strip to move the F2 lens through its 8X zoom range are arranged along the sides.

沿着外壳，分布着电源键、拍摄键、USB接口，以及一组极其灵敏的滑动装置，能够移动F2镜头和实现8倍变焦。

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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。

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I lay awake nights, wishing to find the perfect lens an instrument of great magnifying power.

VOA: special.2009.07.18

I lay awake nights,wishing to find the perfect lens - an instrument of great magnifying power.

VOA: special.2011.06.18

The typical camera is a Samsung color CCD model with a power zoom lens in a weather-resistant housing.

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Unfortunately, we didn't get to test out Sony's new 16-50mm power zoom lens, but we did put the NEX-6 through its paces using the familiar 18-55mm kit glass that came with our NEX-C3.

ENGADGET: Sony Alpha NEX-6 sample shots and video Hands-on

Combining the flexibility and creativity of an interchangeable lens camera with the power of the Android 4.1 platform, the Polaroid iM1836 camera makes it easy for photographers of any skill level to point, shoot, share and tag great photos instantly and effortlessly.

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