Colour blindness affects approximately one in 12 men and one in 200 women, which equates to 4.5 per cent of the population or around 2.7 million people in the UK, according to campaign group Colour ...
Approximately 300 million people worldwide have colour blindness, with around 1 in 12 men and 1 in 200 women affected by the ...
If you're concerned that you may be colour blind, or just curious, you can take an easy test on your phone, but the NHS share ...
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