Blue eyes are a substantial advantage in low light and dark conditions. (really)

Blue eyes are a substantial advantage in low light and dark conditions. (really). But IMO they are a selection advantage because they also signal information about one another more clearly, as well as convey neoteny. So IMO all three reasons, vision, signaling, and neotenic selection promoted blue eyes even though they’re recessive.
White folk (forest people) have bark colored hair, light skin, and blue eyes. All geographic advantages.

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