Ishihara Colour Vision Book 14 plate

Ishihara Colour Vision Book 14 plate.  This series of 14 plates is designed to provide a test which gives a quick and accurate assessment of colour vision 

deficiency of congenital origin.  This is the commonest form of colour vision disturbances.

To stop the colours from fading, keep book closed when not in use and avoid strong light.

Instructions included.