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Aria Veritas's avatar

When one has perfect sight, what is that called?

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Eileen's avatar

20/20 vision.

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Oct 6, 2023
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Aria Veritas's avatar

In the optic industry?

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Eileen's avatar

Normal visual acuity is considered to be 20/20 vision, which is line 8 on the Snellen Eye Chart. This means that from 20 feet away, you can read that line clearly without correction. "Perfect sight" is just a term, but visual acuity is more apt.

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