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Fig. 3 | International Journal of Retina and Vitreous

Fig. 3

From: The role of optical coherence tomography in Alzheimer’s disease

Fig. 3

Example of inner macular thickness measurements by SD-OCT of AD patient. On the left (a, c, e) represents the scanned area (7 × 7 mm). Each 10 × 10 grid was color coded with no color (within the normal limit), yellow (outside the 95 % normal limit), or red (outside the 99 % normal limit). The total analyzed area corresponding to 6 × 6 mm. On the right vertical OCT scans through the fovea. The white lines correspond to the boundaries of the inner retinal layers identified during the segmentation process. b Macular RNFL (mRNFL) thickness measurement, through the internal limiting membrane (ILM) to inner boundary of ganglion cell layer (GCL). d GCL plus inner plexiform layer (IPL), through the inner boundary of GCL to outer boundary of IPL (GCL+). f mRNFL plus GCL plus IPL, trough the ILM to outer boundary of IPL (GCL++)

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