38 Plates ISHIHARA Book for Colour Blindness Eye Testing industrial_Aug2024_update Teacher's Helper: Perfect classroom management

Teacher's Helper: Perfect classroom management tools

8mm x 22mm x 7mm 4

Wire connection: Red wire connect to Positive

Holds 100 4" x 6" sheets of paper (included)

38 Plates ISHIHARA Book for Colour Blindness Eye Testing industrial_Aug2024_update Teacher's Helper: Perfect classroom management38 Plates ISHIHARA Book for Colour Blindness Eye Testing The ishihara test is the most well known color blindness test all around the world. It consists of 38 so called pseudoisochromatic plates, each of them showing either a number or some lines. According to what you can see and what not, the test gives feedback of the degree of your red green color vision deficiency. This test can only be used to detect red green color blindness. Product Features