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 ...
DAVENPORT, Iowa (KWQC) - An eye chart viewed from twenty feet away is usually the first step in determining the quality of one’s vision, but it’s not the only step. Dr. William Benevento with Eye ...