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. 2023 Jun 13;11:1194320. doi: 10.3389/fpubh.2023.1194320

Figure 3.

Figure 3

The UWF-SS-OCTA image of the right eye of a 66-year old DM-NoDR female patients with T2DM diagnosed 9 months ago. (A) Full retinal layer. (B) SCP. (C) DCP. NPAs (red asterisk) were noticed only in the peripheral area, but not in the central area. Area inside of the red box was defined as the central area. (D) CC, showing VFD. (E) LMCV, showing VFD. (F) LMCV, showing CVV. (G) LMCV, showing CVI. CC, choriocapillaris; CVI, choroidal vascularity index; CVV, choroidal vascularity volume; DCP, deep capillary plexus; DM-NoDR, diabetes mellitus without clinically visible diabetic retinopathy; LMCV, large and medium choroidal vessels; NPAs, nonperfusion areas; SCP, superficial capillary plexus; T2DM, type 2 diabetes mellitus; UWF-SS-OCTA, ultra-wide-field swept-source optical coherence tomography angiography; VFD, vessel flow density.