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Ishihara Test Charts

Ishihara eye colour tests are proven to be a simple and accurate method for discovering colour blindness and for diagnosing which of the two types a patient may have. The first is total colour blindness and the second type is red-green blindness. These tests consist of a number of coloured plates contain a circle of dots appearing randomized in colour and size. These plates can determine the degree of defect in the patient’s colour vision. These versions of eye tests are produced with detailed instructions and in an album-type book for convenience.

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