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Vision Test – Ishihara

The Ishihara test is designed to test candidates and employees for colorblindness. The test consists of either 24 or 38 color plates. Each plate is a circle made up of various dots that range in color and size. The examiner presents each plate individually for approximately five seconds. It is the goal of the testee to recognize the differently colored numbers within the circle. If they are not able to do so, it suggests a deficiency in color vision. 

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