Finally: Sunglasses that cure colorblindness

In any case, I took them outside on a sunny day — and was floored. I mean, I had a visceral reaction to what I saw.

Colors I see just fine — blues, yellows, oranges — looked exactly the same. But all of a sudden, greens and reds looked richer. It’s almost impossible to describe in words. In fact, it’s impossible for normal-vision people to understand, even by wearing them, because they don’t see anything different with the EnChroma glasses on!

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But an old brown Vermont barn roof was revealed, quite clearly, to be salmon red. Yards full of leafy trees and plants suddenly had different shades of green. Everywhere I looked, desaturated or barely discernible red things were popping.

There was a weird sensation of seeing red and green areas in the periphery of my vision.

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