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Ishihara test
This term refers to a specific clinical diagnostic tool. It is used primarily in medical and optometric settings to screen for red-green color vision deficiency. The test relies on pseudoisochromatic plates, where the target figure is hidden among dots of varying colors and sizes to prevent those with color blindness from using luminance or shape cues to guess the answer.
Because it is a proper noun derived from the name of its creator, Shinobu Ishihara, the word "Ishihara" is always capitalized. In professional medical reports, it is often referred to simply as "Ishihara plates" when discussing the physical materials used during the examination.
Ý nghĩa
Ví dụ
The optometrist asked me to take the ishihara test to check for color blindness.
I cannot see any number on this ishihara test plate.
The ishihara test is the most common method for screening red-green color deficiency.
I wonder if I could pass an ishihara test without any glasses.
He failed the ishihara test during his physical exam for the pilot license.
The doctor flipped through the pages of the ishihara test quickly.
Most people find the ishihara test surprisingly simple.