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Usually, 20/20 vision is regarded as normal eyesight. However, it is stated to define the lucidity through which a person views something from a 20 feet distance. Whereas, 20/15 eyesight means that you may view something from a 20 feet distance, which an individual with normal eyesight might see clearly from 15 feet.
4 doctors weighed in: What percentage of people have 20/20 vision? 4 doctors weighed in. Want a second opinion? In brief: Less than half. Based on the national health and nutrition examination survey, a population survey of 12, 000 men and women 20 or older conducted between 1999 and 2004, less than half of U. S. Adults had 20/20 vision. Based on those surveyed, 3.6% were farsighted, about 33% were nearsighted, and about 36% were found to have some form of astigmatism. In brief: Less than half. Based on the national health and nutrition examination survey, a population survey of 12, 000 men and women 20 or older conducted between 1999 and 2004, less than half of U.