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Verywell Health on MSN4d
What Does It Mean to Have 20/20 Vision?Medically reviewed by Johnstone M. Kim, MD The term "20/20 vision" refers to how sharp your eyes are when you look at a ...
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 ...
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