article_snippet: Robert Sprujit, a perceptual psychologist featured in the video, said: ‘Colour blindness is a situation where, because your eyes are different from someone else
article_snippet: In most cases, colour blindness is inherited, but colour blindness can also develop as the result of a pre-existing health condition, or as a side effect of certain medicines.
article_snippet: colour blindness occurs due to an abnormality of the retina, the layer of cells at the back of the eye that are sensitive to light.
article_snippet: Colour blindness, also known as colour vision deficiency, is where a person finds it difficult to distinguish between different colours.
article_snippet: In most cases, colour blindness is inherited, but colour blindness can also develop as the result of a pre-existing health condition, or as a side effect of certain medicines.
article_snippet: colour blindness occurs due to an abnormality of the retina, the layer of cells at the back of the eye that are sensitive to light.
article_snippet: The two streams of information conflict, and the more the signals overlap, the greater the extent of the colour blindness.
highlights_snippet: Colour blindness, or colour vision deficiency, affects around 300 million people worldwide .
  