Multiple choice

Colour blindness is the inability to make out colour differences, under normal lighting conditions. Which of the following colour vision deficiencies the yellows and oranges appear pinkish to the individuals?

  1. Deuteranomaly

  2. Tritanomaly

  3. Protanomaly

  4. Deuteranopia

  5. Tritanopia
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E Correct answer
Explanation

Tritanopia is a very rare colour vision disturbance in which there are only two cone pigments present and a total absence of blue retinal receptors. Blues appear greenish, yellows and oranges appear pinkish, and purple colours appear deep red.

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