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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Bad eyesight wouldn’t get you killed nor stop you from eating. You’d need to have _really_ bad eyesight (as in, pretty much blindness), _and_ not live in any kind of society for bad eyesight to be lethal.
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