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Fig. 1 | International Journal of Retina and Vitreous

Fig. 1

From: Large-cube 30° × 25° optical coherence tomography in diabetic macular edema

Fig. 1

Thickness map of the 30° × 25° OCT cube: The ETDRS grid was centered on the macula and divided by 3 concentric circles (0.5, 3, and 6 mm) into three 3 regions: central, inner, and outer regions. The inner and outer regions were divided into 4 fields to finally form nine fields (central, inferior inner, nasal inner, superior inner, temporal inner, nasal outer, superior outer, temporal outer, and inferior outer). The area outside the ETDRS grid was divided into four fields (inferior, nasal, superior, and temporal) consistent with ETDRS field subdivisions

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