Colour blindness can affect people more than you think

If someone quips ’oh I’m colour blind’ when they can’t see a particular colour, it’s often dismissed as a funny quirk. Bur Marjorie Brennan discovers colour blindness can affect everything from playing sports to reading maps to career choice.

A heartwarming video clip has circulated online showing colour-blind people wearing glasses that enable them to see a world of colour. According to EnChroma, the US company that produces the glasses: “Experiences like a rainbow, or a sunset, seen for the first time with EnChroma, are magically transformed beyond any rational description”.