When is PLEX used for optic neuritis?

Dr. Drew Carey interviews Dr. John J. Chen on the trends and use patterns of plasma exchange therapy for optic neuritis, from his Ophthalmology article, "Trends in Plasma Exchange Use in Optic Neuritis Hospitalizations in the United States."

Trends in Plasma Exchange Use in Optic Neuritis Hospitalizations in the United States. Akosman, Sinan et al. Ophthalmology, Volume 131, Issue 10, 1207 – 1214.