Fig. 2

Sample results of the study for the right eye of a 78-year-old patient with Alzheimer’s disease. (A) Retinal thickness maps divided into nine subfields as defined by the Early Treatment Diabetic Retinopathy Study (ETDRS), along with retinal layer segmentation in spectral domain optical coherence tomography. Layers: internal limiting membrane (ILM), retina nerve fiber layer (RNFL), ganglion cell layer (GCL), inner plexiform layer (IPL), inner nuclear layer (INL), outer plexiform layer (OPL), external limiting membrane (ELM), photoreceptor layer (PR), retina pigment epithelium (RPE), Bruch membrane (BM). (B) Superficial vascular plexus with qualitative and quantitative assessments of vessel density, divided into nine subfields as defined by the ETDRS. (C) Deep vascular plexus with qualitative and quantitative assessments of vessel density, divided into nine subfields as defined by the ETDRS.