Answer: An OCT will be helpful to evaluate for presence of macular edema and flourescein angiography (FA) can help to identify areas of non-perfusion from ischemic vasculopathies of the retina. An OCT of the RNFL may show thickening if there is optic nerve involvement but would not be necessary to obtain unless and primary optic neuropathy was suspected.
OCT Macula and FA of the left eye are shown below:
Above Image courtesy of Jeanette Du, MD
OCT macula shows diffuse thickening of the retina with cystoid macular edema and FA of demonstrates diffuse leakage with areas of peripheral nonperfusion.
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Ophtho On Call Case 8 Index
Ophtho On Call Case 8: Introduction
Ophtho On Call Case 8: Additional History & Physical Exam