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Ishihara test book 2206-L-1057

Ishihara test book - 2206-L-1057 - Keeler
Ishihara test book - 2206-L-1057 - Keeler
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Description

This test displays normal protan, deutan and tritan colours, differentiation is stronger in the red/green. Significant tritan defects may be detected if used in conjunction with the Ishihara. Includes screening option.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.