http://ideas.eyeconx.net/story.php?title=%E2%80%98positive-stress%E2%80%99-helps-protect-eye-from-glaucoma Working in mice, scientists at Washington University School of Medicine in St. Louis have devised a treatment that prevents the optic nerve injury that occurs in glaucoma, a neurodegenerative disease that is a leading cause of blindness.Researchers increased the resistance of optic nerve cells to damage by repeatedly exposing the mice to low levels of oxygen similar to those found at high altitude... Wed, 18 Apr 2012 11:13:33 EDT en