Glaucoma is a heterogeneous group of irreversible and blinding optic neuropathies caused by multiple factors. It is clinically characterized by progressive loss of visual field and decline in visual acuity, ultimately culminating in complete blindness. Hallmark pathological features include progressive degeneration of retinal ganglion cells and atrophy of the optic nerve. Importantly, the pathological process of glaucoma extends far beyond the eyeball, involving transsynaptic degeneration across