What is optic neuritis?
Inflammatory condition of the optic nerve, causing acute painful visual loss
What condition is optic neuritis associated with?
Multiple sclerosis
What is the presentation of optic neuritis?
Acute painful visual loss
Poor discrimination of colours
Pain worse on eye movement
Relative afferent pupillary defect
Central scotoma
What investigation is diagnostic of optic neuritis?
MRI brain and orbits with contrast
What is the first line management of optic neuritis?
IV methylprednisolone