ishihara plate

Questions

What does ishihara plate mean?

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.

Where does ishihara plate come from?

Designed by Dr. Shinobu Ishihara at the University of Tokyo, who first published his tests in 1917.

How to pronounce ishihara plate

1. Open the pronunciation page — Open the Speakur entry for “ishihara plate”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “ishihara plate”.
4. Repeat and practice — Say “ishihara plate” aloud, matching stress and vowels until it feels natural.