Figure 2. (Color online) Sample Ishihara plates. Everyone should be able to see the “12” in plate 1. Plate 4 is “29” but CVDs may see “70”. Plate 8 is “15” but CVDs may see “17”. Plate 11 is “6” but many CDVs will not see anything. Plate 20 has nothing in it but CDVs may see “45”. (www.color-blindness.com/color-blindness-tests/)

From

Addressing Color Blind Awareness in the Classroom

Kevin Berisso

Journal of Business and Management Sciences. 2018, 6(3), 93-99 doi:10.12691/jbms-6-3-5