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. 2020 Jun 12;258(10):2263–2269. doi: 10.1007/s00417-020-04788-4

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© The Author(s) 2020

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Fig. 4 — a Exemplary color-coded superficial capillary plexus optical coherence tomography (OCT) angiogram (3 × 3 mm) showing the foveal avascular zone (FAZ) measurements of a patient with systemic lupus erythematosus (SLE) treated with hydroxychloroquine (HCQ) for 2 months (left) and a healthy control (right). b Comparison of the FAZ area between the study and control group as well as between patients treated with HCQ for < 5 years (low-risk group) and > 5 years (high-risk group)