Today I Learned (TIL)

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submitted 3 days ago by [email protected] to c/[email protected]

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If I close one eye for a few minutes and then switch which eye is closed I see a very (very) subtle difference in hue.

Left eye sees a green tint; right eye sees a pink tint. It's more obvious when I'm looking at a white wall on a bright day.

I don't get this effect if I don't let one of my eyes adapt to the dark first.

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[–] [email protected] 1 points 2 days ago

I may have gone through the exact same scenario. Never was sure.