How are colourblind people able to recognize the colours when they put on the special glasses, they have never seen those colours, right?
In: Biology
I’m moderate to strong protanomaly colorblind. Reds appear much darker to me. Purple always looks dark blue and light green often appears yellow. If I have a very large sample I can sometimes distinguish the colors but there is no chance if it is small (like a speck of blood looks black, or the little LED lights that flash yellow/green/red to indicate functions on electronics).
I tend to fail colorblind tests miserably. I tried the glasses and with the glasses I was able to achieve a perfect score. However, it wasn’t like in the youtube videos at all. Maybe if they allowed me to look around a bit more I would have had a more interesting effect. As it was, I passed the test, took a look around the boutique and just thought “Yeah, they’re sunglasses, nothing is in true color but it somehow helped me pass the test”. I was underwhelmed and didn’t consider purchasing them.
Maybe I’ll give it another try some day. But, to answer OP’s question. I know what I can’t see. I know purple is red and blue and I can see it in certain situations if the lighting is right and the sample is large enough. Its the contrast with other colors that is missing mainly.
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