20/40 Vision: What Does It Mean & Is It Bad?

20/40 is a measurement of visual acuity (how sharply you see). Read on to learn about the meaning behind the numbers and whether 20/40 vision is “bad.”

What Does 20/40 Vision Mean?

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Visual Acuity: The True Meaning of 20/20 Vision

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What Is 20/40 Vision? (Is It Bad?)

What Does 20/40 Vision Mean?

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