Figure 5

PARS retinal imaging. Fundus PARS image acquired from large vessels around ONH from a 2.6 × 2.6 mm area (a). zoomed-in section of one of the vessels acquired from a similar area with smaller vasculature (b). Fundus image acquired using scattering contrast of PARS system showing arteries (red arrows) and veins (blue arrows) (c). Oxygen saturation map in the retina obtained using multiwavelength PARS imaging (d).