Fig. 2From: The relationship between retinal layers and brain areas in asymptomatic first-degree relatives of sporadic forms of Alzheimer’s disease: an exploratory analysisOptical coherence tomography (OCT) report of the retinal macular volume and peripapillary thickness. A Concentric macular rings. B Peripapillary sectors. C0 central macular sector, N1 nasal sector of the inner macular ring, I1 inferior sector of the inner macular ring, T1 temporal sector of the inner macular ring, S1 superior sector of the inner macular ring, N2 nasal sector of the outer macular ring, I2 inferior sector of the outer macular ring, T2 temporal sector of the outer macular ring, S2 superior sector of the outer macular ring, ST superotemporal, SN superonasal, N nasal, IN inferonasal, IT inferotemporal, T temporalBack to article page