Given natural selection is true, why do we still have genetic eye sight issues? Because I would think bad eye sight would get you killed (or at least the inability to eat) in a hunter gatherer society.
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My eyesight (pre lasik) was 20/400. I wouldn’t have seen a predator until it was right in my face, and I’d have been useless as a hunter.
Always wondered why this wouldn’t have been selected against pre civilization.
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