Approximately 1 in 12 men and 1 in 200 women worldwide are affected by colour blindness, which equates to about 2.7 million people in the country.
The term ‘colour blindness’ is midleading - very few people can’t see any colour at all.
The most common form of colour blindness is known as red/green colour blindness, which causes those affected to mix up all colours which have any red and green pigment.
Take the quiz below to test your ability to see colours.
If you're concerned about your eyesight, make sure you book in for a professional eye test.
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