Why is green used for night vision?

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The answers, as found at "MentalFloss": The characteristic green tint is by design, for a few reasons. First, device makers have experimented with a few different colors and found that the different shades that make up the monochrome night vision image are most accurately perceived and distinguished when they're green. In other words, while the night vision images you've seen in Silence of the Lambs and Call of Duty might seem a little clunky, green presents a night vision device wearer with the most accurate and user-friendly picture possible. What's more, because the eye is most sensitive to light wavelengths near 555 nanometers - that is, green - the display can be a little dimmer, which conserves battery power. Read the full text here: http://mentalfloss.com/article/31061/why-does-everything-look-green-through-night-vision-goggles#ixzz2I7MgsQ5I --brought to you by mental_floss! Jan 16 13, 12:35 AM