To prove his point, he took a series of portraits, using the same model's facial expression and the same lighting - but each time changing the lens.

为了证明他的观点，他利用相同的照明条件，为一位模特的同一面部表情拍摄了一组肖像照，但是每照一张就更换一种镜头。

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In theory, the device converts electronic signals into ever-changing displays projected onto the contact lens and visible to the wearer, perhaps like a movie subtitle.

理论上，这种装置将电子信号转换成隐形眼镜上瞬息万变的信息展示给使用者，这有点像电影里的字幕。

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A horse focuses its eyes by changing the Angle of its head, not by changing the shape of the lens of the eye, as humans do.

马通过转动头的角度使眼睛聚焦，不像人那样通过改变晶状体的形状聚焦。

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You can customize how it picks content, according to Michael Muller one of the researchers behind the Social Lens project, by changing the initial seed topics, or by selecting an emphasis on people or content items.

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