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because working remotes ir lights will be visible in camera even though humans can't see it .
- or the colour blindness image i uploaded (i got it from a meme sub so it isn't reliable anymore) .
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this post was submitted on 04 Feb 2024
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Asklemmy
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They're based on color blindness tests. They work because the background and the numbers appear to be the same color, making the number indistinguishable from the background if you have that specific kind of color blindness.
https://en.m.wikipedia.org/wiki/Ishihara_test
What about the yellow one? It's just a yellow circle. Right?
Yeah i was talking about the context that image was posted in . i edited the post to give more context .
Do you mean a simple audio or visual test that will test for diseases/ailments other than audio/visual issues? I'm not aware of any, and I doubt they exist. I'm not an expert though. I feel like most of the things mentioned in the meme don't need a test, imo? Like as long as you're in touch with your body and pay attention to what you intake these maladies should be easy to differentiate between.