deuteranopia
Definition
- Noun:
- A type of color blindness: Deuteranopia is a form of dichromacy, a vision deficiency where the retina lacks the type of photoreceptor cells (M-cones) that are normally sensitive to medium-wavelength light (green).
- Specific symptom: It is characterized by a significantly lowered sensitivity to green light, leading to an inability to distinguish between colors in the green and purplish-red part of the spectrum.
Usage Examples
- Noun:
- Deuteranopia is one of the most common forms of red-green color blindness.
- People with deuteranopia often confuse green and red traffic lights.
- His deuteranopia made it difficult for him to see the difference between the ripe and unripe tomatoes.
Advanced Usage
- "To have deuteranopia": to be affected by this specific condition.
- He was diagnosed as having deuteranopia.
- "Deuteranopic vision": referring to the visual perception of someone with deuteranopia.
- Simulators can show how a scene appears to someone with deuteranopic vision.
Variants and Related Words
- Deuteranope (n): A person who has deuteranopia.
- As a deuteranope, he uses special software to differentiate colors on his computer.
- Deuteranomaly (n): A related, but milder, form of color vision deficiency where green sensitivity is reduced but not absent.
- Deuteranomaly is more common than deuteranopia.
Synonyms
- Green-blindness: A less technical synonym for deuteranopia.
- Red-green color blindness (deuteranopic type): A descriptive term specifying the type.
Related Phrases / Terms
- Color vision deficiency (CVD): The general category of conditions that includes deuteranopia.
- Dichromacy: The broader classification for color blindness involving the absence of one type of cone photoreceptor. Deuteranopia is a form of dichromacy.
Noun
-
dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
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