Ishihara test (English, noun)
expansion: Ishihara test (plural Ishihara tests)
Senses:
glosses: A test for red-green color blindness, using a number of colored plates (Ishihara plates), each of which contains a circle of dots of various colors and sizes. Depending on the person's vision, certain dots within the pattern will appear to form recognizable numbers or shapes.
Forms:
form: Ishihara tests
tags: plural