What is Colour Blindness? #biology

Added: 2026-05-25

[00:00:00]About 1 in 12 men have color blindness, and people might not know that they do because you can't compare what you see to what anybody else can see. This is what people with typical color perception see. This is what people with red green color blindness see. This is what people with blue yellow color blindness see. And someone with complete color blindness would see something like this. Imagine a world before movies or photography when the only way to see images come to life was through a magic lantern. Here's one from the museum's collection. These early projectors used handpainted slides to cast vivid scenes onto walls, nothing short of magical.

[00:00:37]But did everybody see those colors the same way? Well, the short answer is no.