Given below is an online test for visual acuity using the E Chart, a chart with the letter 'E' in different directions (up, down, right and left) and sizes. This E chart visual acuity or eye 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 ...

It is important to be able to assess visual function that is specifically ... Effect of scoring and termination rules on test-retest variability of a novel high-pass letter acuity chart. Invest ...

Need new glasses? Online eye exams and vision tests offer a convenient way to get a glasses prescription. Doctors explain ...