Keeler - Ishihara Colour Test

Ishihara Colour Test
Ideal for commercial/industrial colour screening.
Test for protan and dutan defects.

Patients must identify numbers or patterns formed in a matrix of small coloured dots varying in colour and intensity (pseudo-ischromatic plates).

Two editions available:
38 plate for detailed investigation
24 plate for quick screening

Please note: These products are made to order.  Shipment will usually be 3-4 weeks.