colour blindness

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Thân thiện
colour blindness

A child learns about colour blindness with a special test book.

Definition
  1. 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.
colour blindness

A child learns about colour blindness with a special test book.

Noun
  1. genetic inability to distinguish differences in hue

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Từ chứa "colour blindness"