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A: A representative en face image (scanning laser ophthalmoscopy) of the tree shrew ONH. The dashed green line represents the boundaries of the radial B-scans and the red narrow band, with t = 50μm represents the area, where retinal nerve fiber layer (RNFL) and remaining retinal layers (RRL) thickness measurements were averaged. B: A representative OCT B-scan centered on the tree shrew ONH is shown with (bottom) and without (top) auto-segmented tissue interfaces.
