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Really? I once had 20/10 vision as measured on my dad's eye chart (he was an MD), and I'm not sure I could always see a human moving at that distance if they we
by aerostable_slug 5y ago
Really? I once had 20/10 vision as measured on my dad's eye chart (he was an MD), and I'm not sure I could always see a human moving at that distance if they were roughly the same color as the backdrop (which is, I think, a fair guess of the giraffe statistic).