Certified Ophthalmic Medical Technologist (COMT) Practice Exam 2025 – Comprehensive All-in-One Guide to Success

Question: 1 / 505

What color deficiency affects only blue perception?

Tritanopia

Tritanopia is a form of color vision deficiency that specifically affects the perception of blue light. Individuals with tritanopia have difficulty distinguishing between blue and yellow hues, primarily because their blue cones (S-cones) are malfunctioning or absent. This condition is quite rare compared to other types of color blindness, such as protanopia and deuteranopia, which primarily affect red and green perception, respectively. Understanding tritanopia is important because it highlights how specific color deficiencies can influence an individual's overall ability to see and interpret color, which can have significant implications in various fields, including design, safety, and education.

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Protanopia

Deuteranopia

Pseudomonochromacy

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