The famous colorblind test called as the #Ishihara test was created by a Japanese Ophthalmologist: Shinobu Ishihara. The test uses 38 plates that are filled with colored dots, each of these dots contain a number in shaded color that a #colorblind person cannot see.
Check yourself !Identify the numbers in the picture
“Woman, child and parrot” by Stephen Dupont, finalist in the National Photographic Portrait Prize, 2013 @ The National Portrait Gallery, Canberra, Australia.
