Fig. 1. Experimental setup for the PS-OCT system

Fig. 2. Structure images of ex vivo optic nerve before injury. (a) Cross-sectional structure image of slow axis channel; (b) Cross-sectional structure image of fast axis channel; (c) Cross-sectional structure image of dual-channel composition; (d) 3D structure image. Scale bar of 200 μm

Fig. 3. Cross-sectional structure and Stokes vector elements Q, U, V images of the ex vivo optic nerve at different time points before and after injury. (a) Before injury; (b) Immediately after injury; (c) 0.5 hours after injury; (d) 1.0 hours after injury; (e) 2.0 hours after injury

Fig. 4. Segmented cross-sectional Stokes vector element V images of the optic nerve at different time points before and after injury. (a) Before injury; (b) Immediately after injury; (c) 0.5 hours after injury; (d) 1.0 hours after injury; (e) 2.0 hours after injury; (f) The evolution of the average and the standard deviation of the area and height corresponding to non-1 elements in the cross-sectional images of V at different time before and after optic nerve injury