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 ...

Vernon and Straker 1 claim that 5·37–9·45 per cent of colour blind men were found in Great Britain, according to district, averaging 7·49 per cent. This is about twice the accepted figure. They ...

It is ascreening test done in routine eye examination to identify color vision defects and color blind individuals. The most commonly performed test to detect red green color deficiency is Ishihara ...

A RELATIVELY large number of color-vision abnormalities have recently been observed in alcoholic patients with cirrhosis, and the suggestion has been advanced that the X-linked genes causing color ...