It won't entirely restore normal vision, say the researchers, but it will offer just enough sight to help a blind person navigate a room.

它将不会完整的恢复正常的视觉，研究者称，但是其会为一位盲人提供正好足够的视力帮助他在房间里行动。

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While millions of Americans are at risk for vision loss, they do not have to navigate life in the dark.

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One of those early leaders to date is Nikki Haley, and GOP should listen closely to her vision, as it just might be what they need to navigate their new post-election reality.

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Increasingly, the vision says, all that users need to understand is how to navigate a web page, leaving them to get on with life.

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