Color vision test
Alternative names:
vision test - color
Normal values:
Normally all symbols are distinguished.
What abnormal results mean:
This test can determine the following abnormalities: - protanopia (difficulty distinguishing between blue/green and red/green)
- deuteranopia (difficulty distinguishing between red/purple and green/purple)
- tritanopia (difficulty distinguishing between yellow/green and blue/green)
- achromatopsia (complete color blindness where you can only see shades of gray
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