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What does it actually mean to have 20/20 vision? 20/20 simply means you can see at 20 feet what a person with “normal” vision should see at 20 feet. So if you have 20/40 vision, it means you’d need to stand 20 feet away to see what someone with normal vision can see from 40 feet away. Visual clarity is just one piece of the puzzle. Eye health, focusing ability, depth perception, and contrast sensitivity all play a role too. | Spectacles of Great Neck
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