Fig. 4From: Electrical neurostimulation in glaucoma with progressive vision lossLine graphs of mean defect (MD) in five non-responders before optic nerve stimulation (PRE), and 6 and 12 months after treatment. Patients suffered from primary open-angle glaucoma (POAG), angle-closure glaucoma (ACG), or pseudoexfoliative glaucoma (PEX)Back to article page