green-blindness
/'gri:n'blaindnis/
Học thuậtThân thiện
A person with green-blindness sees a green apple and a red apple as the same shade.
Definition
- Noun:
- A form of dichromacy (color blindness) characterized by a reduced or absent sensitivity to green light, resulting in difficulty or inability to distinguish between green and purplish-red hues.
Usage
- Noun:
- Green-blindness is a specific type of color vision deficiency.
- The test revealed a mild case of green-blindness.
- Individuals with green-blindness often confuse certain shades of green and red.
Advanced Usage
- Medical/Technical Context: The term is used in ophthalmology and vision science to classify a specific deficit in the medium-wavelength (green) cone photoreceptors of the eye.
- The study focused on the genetic markers associated with inherited green-blindness.
Variants and Related Words
- Deuteranopia (n): The technical term for the most common form of green-blindness, where the green cones are missing.
- Deuteranomaly (n): A milder form of green-weakness, where green cones are present but defective.
- Dichromacy (n): The general category of color blindness involving only two functioning types of color receptors, which includes .
Synonyms
- Deuteranopia: (The precise synonym in medical terminology).
- Green color blindness: (A more descriptive common term).
Related Phrases
- Color vision deficiency: The broader category encompassing and other types.
- Red-green color blindness: A common umbrella term that includes both (deuteranopia/deuteranomaly) and red-blindness (protanopia/protanomaly).
A person with green-blindness sees a green apple and a red apple as the same shade.
Noun
- dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red