Fig. 1From: Evaluation of macular microvascular density using optical coherence tomography angiography in patients with Posner-Schlossman syndromeRepresentation of measurement for macular superficial VD and PD. a Three circles of VD (1 mm central ring, 3 mm inner ring, 6 mm outer ring) and four quadrant VD. b Three circles of PD (1 mm central ring, 3 mm inner ring, 6 mm outer ring) and four quadrant PD. c En face image of superficial capillary plexus. d B scan to define superficial capillary plexus (red lines)Back to article page