What does the Photoreceptor Ellipsoid Zone represent?

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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 does the Photoreceptor Ellipsoid Zone represent?

Explanation:
The Photoreceptor Ellipsoid Zone represents the mitochondria-rich inner segment of the photoreceptors. On OCT it appears as a bright, distinct band because the ellipsoid portion is packed with mitochondria, giving high reflectivity. This band sits just above the external limiting membrane and below the outer segments/interdigitation zone, reflecting the inner-segment structure rather than the outer segment, RNFL, or choroid. Preserving this zone indicates healthier photoreceptor inner segments.

The Photoreceptor Ellipsoid Zone represents the mitochondria-rich inner segment of the photoreceptors. On OCT it appears as a bright, distinct band because the ellipsoid portion is packed with mitochondria, giving high reflectivity. This band sits just above the external limiting membrane and below the outer segments/interdigitation zone, reflecting the inner-segment structure rather than the outer segment, RNFL, or choroid. Preserving this zone indicates healthier photoreceptor inner segments.

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