• the_kalash@lemmy.world
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    1 year ago

    so you see 71 if your color vision is different.

    I have mild Deuteranopia and there is no hint of a 7.

    21 or maybe 81.

    • LazaroFilm@lemmy.world
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      1 year ago

      I see why you would see that for the 7. You’re relying on the brightness of the dot instead of the tint I’m guessing.

      I suspect my 5 years old to have some low color blindness, he couldn’t see the numbers in some circles I showed him.

      • the_kalash@lemmy.world
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        1 year ago

        The meme actually uses the exact same image as the wiki page about the tests. https://en.wikipedia.org/wiki/Ishihara_test

        The number “74” should be clearly visible to viewers with normal color vision. Viewers with red-green color blindness will read it as “21”

        So at least I’m seeing what I was supposed to see!