Question: Why is it that some people can see underwater but others can not

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  1. Hi purpleflyingmonkey,
    Everyone has the ability to see underwater, just not very well! Some people are used to opening their eyes underwater and can therefore see better. Others aren’t so familiar with the feeling, or just don’t like it! As the surface of the eye is regulated by tears, keeping your eyes open underwater is a strange feeling that doesn’t agree with us, because the tears and hence the regulation is no longer there.
    In the case of a crocodile, the addition of another pair of “eyelids” that are clear and closed when underwater, means they can keep their eyes open and see very clearly underwater.

    Hope that makes sense 😀

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