deuteranopia

deuteranopia A form of color blindness in which the retina is deficient in or lacks cone cells containing opsins that respond to the color green, resulting in an inability to distinguish red from green.
1995, T. N. White, D. Bosman, 4: Colour-deficient operators in process-control environments, Harman Kragt (editor), Enhancing Industrial Performance: Experiences With Integrating The Human Factor, https://books.google.com.au/books?id=lWxyrubhEqQC&pg=PA79&dq=%22deuteranopia%22%7C%22deuteranopias%22&hl=en&sa=X&ved=0ahUKEwjGjZSWwarPAhULjJQKHYYODrsQ6AEINDAEv=onepage&q=%22deuteranopia%22%7C%22deuteranopias%22&f=false page 79,

Deuteranomalous subjects show ordering behaviour similar to the behaviour of normal colour vision subjects, but less like their colleagues with deuteranopia.

Dichromacy is a moderately severe color vision defect. It is hereditary and, in the case of protanopia or deuteranopia, sex-linked, affecting predominantly males.