Colour blindness (or colour vision deficiency) affects 1 in 12 males and 1 in 200 females in the UK. It can massively affect education for children if it's undiagnosed. Take a test right now with Christopher Nixon Optometrist in Starbeck hereā¦
https://www.strayfm.com/news/health/2555344/can-you-see-in-colour/