Normal Retinal Anatomy and Basic Pathologic Appearances

Published on 09/05/2015 by admin

Filed under Opthalmology

Last modified 09/05/2015

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4.1

Normal Retinal Anatomy and Basic Pathologic Appearances

Normal Retinal Anatomy

Commercially available SD-OCT scanners have an axial resolution of between 4 µm and 7 µm and a transverse resolution of approximately 15 µm. This high resolution allows for exquisite viewing of the retinal detail. Due to the limited penetration of light beyond the pigmented RPE and the drop-off of the OCT signal with depth, the image at the level of the choroid has lower resolution. The layers of the normal retina are labeled in Figure 4.1.1.