See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An eye doctor has addressed a common source of confusion during routine ...
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What Does It Mean to Have 20/20 Vision?
The term "20/20 vision" refers to how sharp your eyes are when you look at a standard eye chart (Snellen chart) from a distance of 20 feet (or 6 meters)—depending on where you live. In the United ...
More than a billion people worldwide live with avoidable vision loss. Andrew Bastawrous is showing how technology and data ...
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