Background and Objective: To correlate the appearance of a hyporeflective lucency on spectraldomain optical coherence tomography (SD-OCT) with a focal leak on fluorescein angiography (FA) in eyes with central serous chorioretinopathy (CSC). Patients and Methods: Multimodal imaging of 18 patients with CSC who had hyperreflective fibrin surrounding a hyporeflective lucency on SD-OCT was analyzed to investigate any potential correlation with an active leak on FA. The lucent area was evaluated using en face imaging and followed for resolution of the active leak. Results: High-resolution SD-OCT images of the lucency were found to correlate with the active leak. In certain cases, the lucent area could be visualized as communicating with a defect in a pigment epithelial detachment. En face imaging of the lucency revealed a smoke-stack appearance, and resolution of the leak correlated with the disappearance of the lucency on SD-OCT. Conclusion: Visualization of a lucency within surrounding fibrin may suggest an active leak. En face imaging of the lucency may provide insight into the pathophysiology of the smoke-stack leak on FA.
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