RNFL thickness was thinnest in patients who had severe-onset optic neuritis compared to patients with mild or moderate onset, even when their vision recovered to 'normal'. ...OCT seems to be ...

Lack of pain Ischemic optic neuropathy ... following DON can be stratified based on MRI findings with a long-term risk of 25% in patients with a normal MRI and 72% with an abnormal MRI.