Optometry Continuing Education

OCT Mastery - Tip of the Week

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100. Cause of subretinal fluid?

An elderly woman presents with sudden loss of vision. Why?

Tip #100


There is some small cystic fluid-filled spaces in the nerve fiber layer and ganglion cell layer. There is a large hyperreflective area in the inner plexiform and inner nuclear area. This is causing a shadowing of the deeper layers. Hyporeflectivity is seen throughout the inner (INL) and outer nuclear layers (ONL). There is a dome-shaped area of subretinal fluid also noted.

This patient was diagnosed with macular edema and subretinal fluid associated with a retinal arterial marcoaneurysm.

Tip #100


Subretinal fluid can be caused by a number of causes, not only wet AMD.

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