My dictionaries only offer the first definition: having the normal visual acuity of the human eye that according to one common scale can distinguish at a distance of 20 feet characters one-third inch in diameter. She has 20/20 vision.
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Vorpar"20/20 hindsight" is a common phrase, which means that it's easy to make the right decision after you know the outcome of an event.Thank you very much. Is that hindsight too late? We should have made the decision before the outcome of the event, right?