Ishihara Test Book, Shape : Rectangle, Printing Type : Offset

Ishihara's colour perception test charts are recognized internationally as a highly reliable method of determining colour deficiency. With normal colour perception, the images and numbers will all be visible. Each colour test plate in this hard bound.
Ishihara's Test for Colour-blindness 38 Plates The Ishihara`s Tests for Colour Deficiency consist of four (4) different types, namely, The first type is the 38-Plate (Complete) Edition, used principally by Ophthalmologists in order to classify completely the type of colour deficiency. The second type is the 24-plate (Abridged) Edition used principally at factories and offices of transportation and other concerned places of the purpose of conducting usual sample survey for colour deficiency in a short space of time when hiring new employees. The third type is the 14-plate (Concise)edition. On the average, charts of highest accuracy were selected from the 38 plate (Complete) Edition to conduct minimum examinations of colour deficiency.
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