First things first. This is where the DMV should really begin a driving exam, because great eyesight doesn’t mean that people know where they’re supposed to plant their ass when they get in a car.
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eye chart
This is about the fastest way to find out how well someone’s eyes are. If they are guessing random letters then they are blind as a bat. If they are offended and either take a swing at you or storm out of your office then their eyes are 20/20. The more pissed off they are, the better their eyes are.
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