monochromatic vision

• État du système visuel dans lequel une personne ou un animal ne peut percevoir qu'une seule couleur, généralement des nuances de gris, en raison de l'absence ou du dysfonctionnement de plusieurs types de cônes dans la rétine.

A condition of the visual system where a person or animal can perceive only one hue, typically shades of gray, due to the absence or malfunction of multiple types of cone cells in the retina.

1. Complete color blindnessC1formal

   A rare condition where a person cannot perceive any colors, seeing only shades of black, white, and gray.

   Achromatopsie

   • People with monochromatic vision often have difficulty distinguishing traffic lights.
   • The doctor diagnosed him with monochromatic vision after a series of tests.
   • Monochromatic vision is a very rare form of color blindness.