Plants are also able to distinguish between specific wavelengths of light that the human eye cannot even see!

植物还能分辨出人类肉眼看不到的特定波长的光！

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This is because their colors are not bright enough to be noticed by the human eye.

这是因为它们的颜色不够明亮，无法被人眼注意到。

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Moonbows appear on the opposite side of the moon and usually look white to the human eye.

月虹出现在月亮的另一侧，它们在人眼中通常看起来是白色的。

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Degas and the Impressionists were interested in painting the effects of light, and how the human eye sees subjects.

VOA: special.2009.07.12

When they used the telescope to create images of the planet, they found an area that appeared dark in light the human eye could see.

VOA: special.2009.08.25

Experts explain that the movement of air in the atmosphere and natural qualities of the human eye caused him to see markings that were not there.

VOA: special.2010.07.11

On one screen, quotes blink on and off at speeds barely visible to the human eye.

FORBES: About Robert Greifeld

The difference, however, is that these mechanics were large enough to be seen with the human eye.

FORBES: Watching Quantum Physics With The Naked Eye

It is a radical alternative to conventional photography, exploring a world beyond the limitations of the human eye and human wallet.

BBC: Photography back to basics: life through the pinhole