The 14-plate Ishihara is designed to provide a test which gives a quick and accurate assessment for colour vision deficiency of congenital origin, the most common form of colour vision disturbance.

The 24-plate Ishihara is designed to provide a test which gives a quick and accurate assessment for colour vision deficiency of congenital origin, the most common form of colour vision disturbance.

The 38-plate Ishihara is designed to provide a test which gives a quick and accurate assessment for colour vision deficiency of congenital origin, the most common form of colour vision disturbance.

Record forms for recording patient results from the City University Colour Test.

The Keeler 3rd Edition City University Colour Vision Test is a 2 part test that includes a quick screening option.