Bilateral infiltrative optic neuropathy associated with glioblastoma

Bilateral infiltrative optic neuropathy associated with glioblastoma:

This is a fundus picture (fig 1) of bilateral infiltrative optic neuropathy in a 62 year old man.bmj;368/mar18_17/m846/F1F1f1Fig 1He presented with blurred vision in both eyes for several weeks. Four...