Question:
Which of the following types of colour blindness denotes blue–yellow colour deficiency?
Which of the following types of colour blindness denotes blue–yellow colour deficiency?
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Tritanopia is rarer than red–green colour blindness.
Updated On: Dec 24, 2025
- Tritanopia
- Protanopia
- Deuteranopia
- Ritalin
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Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Understanding colour vision deficiencies.
Colour blindness results from the malfunctioning or absence of certain cone cells in the retina.
Step 2: Identifying Tritanopia.
Tritanopia is caused by defects in the blue-sensitive (S) cones and leads to difficulty distinguishing between blue and yellow colours.
Step 3: Elimination of other options.
Protanopia and Deuteranopia affect red–green colour perception, while Ritalin is a medication and unrelated to vision.
Step 4: Conclusion.
Hence, blue–yellow colour deficiency is known as Tritanopia.
Colour blindness results from the malfunctioning or absence of certain cone cells in the retina.
Step 2: Identifying Tritanopia.
Tritanopia is caused by defects in the blue-sensitive (S) cones and leads to difficulty distinguishing between blue and yellow colours.
Step 3: Elimination of other options.
Protanopia and Deuteranopia affect red–green colour perception, while Ritalin is a medication and unrelated to vision.
Step 4: Conclusion.
Hence, blue–yellow colour deficiency is known as Tritanopia.
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