On infrared OCT images, exudates and drusen typically appear as which color?

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Study for the Optical Coherence Tomography C Fundamentals Test. Access multiple choice questions and flashcards with hints and explanations. Get exam-ready in no time!

Multiple Choice

On infrared OCT images, exudates and drusen typically appear as which color?

Explanation:
On infrared OCT images, white indicates high reflectivity, meaning strong backscattering of light. Exudates and drusen are dense, reflective deposits in the retina (lipid-rich exudates or extracellular drusen), so they cause a bright, white appearance on the scan. In contrast, areas with little backscatter appear dark, and gray represents intermediate reflectivity. Red isn’t used in the standard OCT grayscale color map.

On infrared OCT images, white indicates high reflectivity, meaning strong backscattering of light. Exudates and drusen are dense, reflective deposits in the retina (lipid-rich exudates or extracellular drusen), so they cause a bright, white appearance on the scan. In contrast, areas with little backscatter appear dark, and gray represents intermediate reflectivity. Red isn’t used in the standard OCT grayscale color map.

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