Ishihara Optometrie-Set mit 38 Platten zur Erkennung von Farbenblindheit
44,41 €
Professional test book, is a simple and accurate way to discover congenital color blindness and red-green color blindness, each of which has two forms, complete and incomplete. - Using the characteristics in red-green color blindness, blue and yellow appear significantly brighter than red and green.
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