36 Pages Colour Vision Test Book, Colorblind Testing Chart Test Chart Books for Color Deficiency Color Blindness Color Weakness Test Book for Driving School Home Use and One Eye Occluder
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36 Pages Colour Vision Test Book, Colorblind Testing Chart Test Chart Books for Color Deficiency Color Blindness Color Weakness Test Book for Driving School Home Use and One Eye Occluder
Accurate Testing: Color blindness test chart strict compliance with industry standards, drawed by the computer software, which is more accurate. individuals with color vision defect should see a different figure from individuals with normal color vision. Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green
More Rigorous: Color deficiency test book adopted the classification and degree of generalized color abnormality, which is more scientific and rigorous. Only colorblind people are able to spot the sign. If you have perfect color vision, you won’t be able to see it.
Vanishing design: Only people with good color vision can see the sign. If you are colorblind you won’t see anything. Color blind people will see a different sign than people with no color vision handicap.
Widely Use: Colorblind testing book suitable for enrollment, driving school, orientation health check and also perfect for science teachers showing students examples of color blindness. Patients must identify numbers or patterns formed in a of small coloured dots varying in colour and
36 Patterns: With 36 pages, 36 images, which allow you can do your own color blindness testing at home, which is convenient for you to use. Color blindness test book made of high quality paper, with good touch feelings and rounded corners, which can be used for a long time.