不像这篇文章中其他的人造物品，人工胰腺并不处于前期研究阶段，这个装置确实存在，而且在今年9月份得到了FDA的销售许可

2.Artificial Eyes

2.人工眼睛

As we pointed out earlier, we've long been able to restore hearing to the deaf, but restoring sight to the blind is a much more complicated matter. When people lose their sight, their retinas no longer send signals from their photoreceptors to their brains. To make an artificial eye, we'd need to understand how the retina processes those signals, and that's a code scientists just haven't been able to crack.

我们前面已经指出，我们已经能够让聋子听到声音，但是让盲人看见画面是更复杂的事情。当人们失去视力，他们的视网膜不再把光感受器的信号发送给大脑。为了制造人工眼睛，我们需要了解视网膜是如何取得这些信号，而这正是科学家尚未解决的关键之处。

Not until recently anyway. But scientists at Weill Cornell Medical College have at last managed to—at least with mice and monkeys. This produced artificial retinas, whose chips convert images into electronic signals and whose tiny projectors convert electronic signals into light.

直到最近，Weill Cornell Medical College的科学家们至少在老鼠和猴子身上实现了这一点。这种人造视网膜，它的芯片可以将画面转换为电子信号，而它的微型投影机可以将电子信号转化为投影光线。

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