Fig. 1From: Modeling of gonioscopic anterior chamber angle grades based on anterior segment optical coherence tomographyMeasurement of anterior chamber angle parameters with AS-OCT. a Illustration of parameters used in the study. b Scanning mode and quadrant distribution of the right eye. LID, light intersection distance; AODSS, angle opening distance at the scleral spur; AOD750, angle opening distance at 750 μm; TISA750, trabecular-iris space area at 750 μm; S, superior quadrant; I, inferior quadrant; T, temporal quadrant; N, nasal quadrantBack to article page