Shinobu Ishihara designed the tests for colour blindness in 1917. Consisting of a pattern of circles usually hiding a number it was used to diagnose colour vision deficiency.
Hand printed onto Fruit of The Loom t-shirt.
For t-shirt colours not listed, please state desired colour in the form at checkout.
https://www.fruitoftheloom.eu/shop/p/valueweight-t/0610360
Product Code: SPYKT03
Brand: Spyk
Product Condition : New
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