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To the Editor:
We thank Dr. Tripathy for his interest in our recent article on “Optical Coherence Tomography Angiography in patients with Behçet uveitis.”1 He brings up 2 separate points needing clarification. About the first point, we agree that although the foveal avascular zone area was larger in eyes with Behçet uveitis than in control group on swept-source optical coherence tomography angiography, the difference was not statistically significant. Correction to the erroneous statement in the abstract is made in the print issue of the article.
About the second point, it was highlighted in our article that early-phase fluorescein angiography images usually allow the best assessment of microvascular details and visualization of the capillary bed before dye leakage interferes with its visibility. However, these images may be difficult to obtain or to interpret in eyes with active Behçet uveitis mainly because of vitritis, other associated media opacities, early dye leakage from the macular retinal capillaries, and because of the limited duration of early frames. In our study, perifoveal microvascular changes were assessed on fluorescein angiography arteriovenous frames, when available and clear enough to be interpreted. Otherwise, mid- to late-phase images were alternatively used.
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