Optometry Continuing Education

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76. Deep Bumps

A 77-year-old woman presented with blurred vision. What are the bumps on OCT?

Tip #76

Analysis

The inner retina is within normal limits. In the central portion of the image, the external limiting membrane (ELM) and ellipsoid zone are visible and appear normal. There is an area of retinal pigment epithelium (RPE) elevation with hyperreflective material beneath it. This material is homogenous and is consistent with a large soft drusen. Bruch’s membrane is clearly visible below the detached RPE. There is also a discrete area of focal hyperreflectivity consistent with a hard drusen.

Tip #76 - Labelled

OCT Tip

Drusen will appear as bumps and elevation at the level of Bruch’s/RPE junction. Soft drusen have homogenous material of moderate hyperreflectivity beneath the RPE

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