monochromacy
physiology
Also known as: monochromatism
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types of colour blindness
- In colour blindness: Types of colour blindness
…cone types are functional, and monochromacy (monochromatism), when none or only one type of cone receptor is functional. Dichromatic individuals are ordinarily unable to distinguish between red and green. Blindness to red is known as protanopia, a state in which the red cones are absent, leaving only the cones that…
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