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
From someone who has protanomalous colorblindness, your assumption is correct. We’ve never seen the colors before and can’t reasonably talk about what they are. When I put my enchroma glasses on I’m seeing literally a different world than I normally do. It’s the reason that you see a lot of emotional videos where people start crying. It’s overwhelming to see the “real” world that we miss out on every day, how vivid and beautiful it is.
Having protanomaly means I’ve never seen the color purple with my own rods and cones in the natural world. My eyes cannot physically process that wavelength. The glasses bend the light coming in to give my brain an imitated sense of seeing purple and the proper shades of loads of other colors as well. It really is a thing of beauty.
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