What is the appearance of the photoreceptor ellipsoid zone on an OCT scan?

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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

What is the appearance of the photoreceptor ellipsoid zone on an OCT scan?

Explanation:
The photoreceptor ellipsoid zone is a highly reflective band in the outer retina on OCT, caused by the mitochondria-rich inner segments of the photoreceptors. Because it reflects light very strongly, it appears as a bright white band on the scan, typically located just above the external limiting membrane and below the interdigitation zone. In healthy eyes this band is clear and continuous; when photoreceptors are damaged, the band can become attenuated or disrupted. So the appearance described as a bright white band best matches how the ellipsoid zone shows up on OCT.

The photoreceptor ellipsoid zone is a highly reflective band in the outer retina on OCT, caused by the mitochondria-rich inner segments of the photoreceptors. Because it reflects light very strongly, it appears as a bright white band on the scan, typically located just above the external limiting membrane and below the interdigitation zone. In healthy eyes this band is clear and continuous; when photoreceptors are damaged, the band can become attenuated or disrupted. So the appearance described as a bright white band best matches how the ellipsoid zone shows up on OCT.

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