Ishihara's Tests For Colour Blindness

These series of plates provide a quick and accurate assessment of congenital, the most common form of colour blindness. They distinguish between total colour bl... » 

These series of plates provide a quick and accurate assessment of congenital, the most common form of colour blindness. They distinguish between total colour blindness and strong and mild forms of both protan and deutan deficiency. Each edition contains a brief guide to use and interpretation. «