colour blindness
Definition
- Noun:
- Colour blindness refers to a genetic condition where a person has difficulty distinguishing between certain colors, particularly differences in hue. It is a vision deficiency, not a form of blindness to light.
Usage
- Colour blindness is typically an inherited trait, more common in males.
- The term describes the condition itself. When describing a person, the adjective "colour-blind" is used.
Examples
- Noun:
- The test revealed that he had colour blindness and could not tell red from green.
- Colour blindness is often detected in childhood during routine eye exams.
Advanced Usage
- "to be diagnosed with colour blindness": to be formally identified as having the condition.
- He was diagnosed with colour blindness at the age of seven.
Variants and Related Words
- Colour-blind (adjective): Having colour blindness.
- He is colour-blind and uses special software to read charts.
- Colour vision deficiency (CVD) (noun): A more formal or clinical term for colour blindness.
- The doctor explained the specifics of his colour vision deficiency.
Synonyms
- Color vision deficiency: The more precise medical term.
- Daltonism: An older term, sometimes used specifically for red-green colour blindness.
Related Phrases
- Red-green colour blindness: The most common type, involving difficulty distinguishing red and green hues.
- The most prevalent form of colour blindness is red-green colour blindness.
Noun
-
genetic inability to distinguish differences in hue
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ gần giống
Từ chứa "colour blindness"
