Ishihara plate

== English == === Etymology === Designed by Dr. Shinobu Ishihara at the University of Tokyo, who first published his tests in 1917. === Noun === Ishihara plate (plural Ishihara plates) Any of a set of colored plates each containing a pattern of dots of various colors and sizes, forming a number or shape clearly visible to those with normal color vision; used in testing for color blindness. ==== Related terms ==== Ishihara test