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trichromats

trichromatic-vision
trichromats
trichromats

Trichromacy or trichromaticism is the possessing of three independent channels for conveying color information, derived from the three different types of cone cells in the eye. Organisms with trichromacy are called trichromats.

According to the trichromatic theory of color vision, also known as the Young-Helmholtz theory of color vision, there are three receptors in the retina that are responsible for the perception of color. One receptor is sensitive to the color green, another to the color blue and a third to the color red.

vision
vision

Most people are trichromats, possessing three types of cone cells to see color with. A woman in northern England has four types of working cone cells, which means she has the ability to see far more colors than most of us can.

Article at https://futurism.com/uk-woman-extra-cone-cell-her-eyes-can-see-more-colors/

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BRIAN MILLER

Brian Miller's Vision: As a child at school I recall my teacher asking all 30 pupils within my class, where was the center of the United Kingdom. I was the only child that answered London because I could see what the others could not. Continue reading BRIAN MILLER