color vision
Học thuậtThân thiện
Definition
- Noun:
- The normal ability to see colors: Color vision is the faculty or capacity of the visual system to perceive and distinguish different wavelengths of light as distinct colors. It is a standard function of the human eye under typical conditions.
Usage
- Color vision is typically discussed in the contexts of biology, medicine, psychology, and optometry.
- It is often used to describe a person's visual capability or to contrast with conditions like color blindness.
- Example:
Examples
- Noun:
- Most primates have trichromatic color vision.
- The test is designed to check for deficiencies in color vision.
- Advances in technology have helped scientists understand the mechanisms of color vision.
Advanced Usage
- "to have normal color vision": to possess the typical ability to distinguish colors.
- The job requires candidates to have normal color vision.
- "color vision deficiency": a condition where the ability to distinguish certain colors is reduced; a formal term for color blindness.
- Color vision deficiency is more common in men than in women.
Variants and Related Words
- Color-blind (adj): having a deficiency in color vision.
- He is color-blind and cannot distinguish between red and green.
- Chromatic vision (n): a technical synonym for color vision.
- Trichromacy (n): the condition of having three types of color receptors (cones) in the eyes, which is the basis for normal human color vision.
Synonyms
- Chromatic perception: the perception of color.
- Color perception: the ability to see and identify colors.
Related Phrases
- Test for color vision: to examine someone's ability to see colors correctly.
- The doctor will test for color vision using special plates.
- Loss of color vision: a deterioration or absence of the ability to see colors.
- The injury resulted in a temporary loss of color vision.
Related Idioms
(No common idioms are directly based on the term "color vision." It is a technical term used literally.)
Noun
- the normal ability to see colors