What is 20/20 Vision?

First published at 22:11 UTC on October 30th, 2019.
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In this video, Mark aka MFA, goes over the definition of 20/20 vision as well as going through some examples on different types of vision based on using the widely used Snellen Chart. The Snellen Chart was created by the Dutch ophthalmologist Herman…

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CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
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