Fig. 2
From: Optical coherence tomography angiography for the anterior segment

Examples of AS-OCTA scans of pterygium. Top: a PLEX Elite 9000 swept-source OCTA system, b AngioVue RT Vue XR Avanti OCTA system in the same eye. Bottom: c Angioscan RS-3000 Advance OCTA system and (d) corresponding slit-lamp photograph in another eye. The area bordered by the red square in the slit-lamp photo is matched to the Angioscan OCTA image