One of the most popular color blindness tests is the Ishihara test, ... Ishihara plates consist of many colored dots, ... 24: 35: 25: 96: 26: ...

The Ishihara Plate test can only signal red-green colour blindness — just because you can decipher the proper numbers on the Ishihara plates does not mean that you have completely normal vision.

The most commonly performed test to detect red green color deficiency is Ishihara test plates. It consists of 24 plates with numbers and patterns of different color dots hidden in a background of ...

Vernon and Straker1 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.