Fig. 1From: Posterior pole asymmetry analysis and retinal nerve fibre layer thickness measurements in primary angle-closure suspect patientsPosterior pole thickness asymmetry analysis of Spectralis OCT. a Color-coded thickness map for each eye that represent retinal thickness patterns. b the mean macular thickness of total, superior and inferior regions; c A gray-scale grid (labeled OS-OD asymmetry) represents inter eye thickness asymmetryBack to article page