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9 February, 20:32

Sandy is three years old and has 20/40 vision. what does this mean?

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  1. 9 February, 20:48
    0
    It means she has 10/20 vision

    Which means she needs glasses
  2. 10 February, 00:14
    0
    It means she can only see at 20 feet while someone with 20/20 vision would be able to see at 40 feet
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