Fig. 4: NOB reduces RGC apoptosis at 2 weeks post-IOP elevation.

A Representative immunofluorescence images of retinal sections labeled with TUNEL and Hoechst 33258. Scale bar, 50 μm. B Quantitative analysis of TUNEL-positive cells in the GCL. The results are presented as mean ± SD, n = 6. ****P < 0.0001.