COVID-19 is an emerging, rapidly evolving situation.
Get the latest public health information from CDC:

Get the latest research information from NIH:

Key Record Dates Identifier: NCT02573792
Brief Title: Optical Coherence Tomography and Optic Neuritis (OCTON) (OCTON)

First Submitted : October 9, 2015
First Submitted that Met QC Criteria : October 9, 2015
First Posted : October 12, 2015 (Estimate)

Last Update Submitted that Met QC Criteria : August 29, 2019
Last Update Posted : August 30, 2019