Aims This paper describes a novel test of colour vision using a standard personal computer, which is simple and reliable to perform. Results The mean results from individuals with normal colour vision ...

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 ...

Researchers have developed a novel computer algorithm that can predict various diseases like diabetes or stroke, just by analysing the colour of the human tongue with 98 per cent accuracy.