Science Memes

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submitted 5 months ago by [email protected] to c/[email protected]

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[–] [email protected] 31 points 5 months ago (10 children)

This doesn't make sense to me. The iris doesn't collect light for vision. The pupil expands or contracts to vary the amount of light that reaches the retina. Iris color should have nothing to do with it.

[–] rhombus 1 points 4 months ago

A lighter iris color correlates with higher light sensitivity and better low light vision. The higher density of pigment in a darker iris blocks light better.

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