Fig. 1From: Combination of snapshot hyperspectral retinal imaging and optical coherence tomography to identify Alzheimer’s disease patientsIllustration of the positioning of the 4 rectangular regions of interest. Regions are indicated by superior 1 (S1), superior 2 (S2), inferior 1 (I1), and inferior 2 (I2). The green zones refer to the parts in the image that were used in the analysis after removing the retinal blood vessels. OD refers to the optic discBack to article page