Low reflectivity areas appear which color on OCT images?

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Enhance your knowledge in Optical Coherence Tomography (OCT) C Fundamentals. Study with targeted flashcards and multiple-choice questions, each providing hints and detailed explanations. Boost your confidence and be ready for your exam!

Multiple Choice

Low reflectivity areas appear which color on OCT images?

Explanation:
In OCT imaging, brightness encodes reflectivity: areas that backscatter a lot light appear bright, while areas that backscatter little light appear dark. Because low reflectivity means almost no backscattered signal, those regions show up as black on the image. High reflectivity shows up as white, and intermediate levels appear gray. Red isn’t used in the standard grayscale OCT display. So low reflectivity areas appear black.

In OCT imaging, brightness encodes reflectivity: areas that backscatter a lot light appear bright, while areas that backscatter little light appear dark. Because low reflectivity means almost no backscattered signal, those regions show up as black on the image. High reflectivity shows up as white, and intermediate levels appear gray. Red isn’t used in the standard grayscale OCT display. So low reflectivity areas appear black.

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