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13 March, 12:22

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

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  1. 13 March, 13:49
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    It means she can only see at 20 feet while someone with 20/20 vision would be able to see at 40 feet
  2. 13 March, 15:58
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    It means she has 10/20 vision

    Which means she needs glasses
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