You can toggle back and forth between the original plate and the answer by clicking on the plate itself plate 1 and 24 are control tests people with normal vision and all forms of color blindness should be able to distinguish these these two plates are particularly useful for identifying cheeky behaviour when testing children. Plates for color vision testing december 2013 doi 101055 b 006 161112. Offers detailed instructions on using the plates to achieve the most accurate color vision assessment supplies information on the physiology pathology epidemiology and genetics of color blindness and associated disorders includes plates for blue yellow as well as for the more common red green deficiencies
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