Today I went to visit the Ophthalmology centre at Stoke Mandaville hospital. My uncle is a consultant and surgeon there and let me shadow him for the day to see how they test people for colour blindness.
This is a detailed hue test called the Farnsworth-Munsell 100 hue test. It requires a person to arrange the hues in order, which then allows the Ophthalmologist to test how colour blind a person is.
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