monochromatic vision
Học thuậtThân thiện
Definition
Noun A condition of complete color blindness in which an individual cannot perceive any colors; all visual stimuli appear as shades of a single color (typically gray, white, and black), and objects can only be differentiated based on their brightness or lightness.
Usage
The term is used in medical, optometric, and biological contexts to describe a specific and rare type of color vision deficiency. * Achromatopsia is a condition characterized by monochromatic vision, photophobia, and reduced visual acuity. * The study examined how individuals with monochromatic vision navigate environments designed with color-coded signals. * True monochromatic vision is extremely rare in humans.
Advanced Usage
- Rod monochromacy: A technical term for a specific form of monochromatic vision caused by the absence or non-function of cone cells in the retina, leaving only rod cells (which detect light intensity but not color) functional.
- The concept is sometimes used metaphorically in art or criticism to describe a work that lacks variety or nuance.
- The film's political commentary was criticized for its monochromatic vision, presenting a complex issue in purely black-and-white terms.
Variants and Related Words
- Achromatopsia (n): The clinical medical term for complete color blindness, often encompassing additional symptoms like light sensitivity.
- Monochromacy (n): The state or condition of having monochromatic vision. This is the more general technical term.
- Monochromat (n): A person who has monochromatic vision.
- Achromatic vision (n): A synonym for monochromatic vision.
Synonyms
- Complete color blindness
- Total color blindness
- Achromatopsia
- Monochromacy
Antonyms
- Trichromatic vision (normal color vision)
- Color vision
- Polychromatic vision
Noun
- complete color blindness; colors can be differentiated only on the basis of brightness