Comprehensive Optometry Kit Featuring Ishihara Color Test Book and Lenses
44,75 €
1 Color Difference Test Book+Eye shading lenses. - Using the characteristics in red-green color blindness, blue and yellow appear significantly brighter than red and green. -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.
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