[Assessment of a patient with optic neuropathy].

Optic neuropathy (ON) is defined as the reduction of vision due to inflammatory lesion of the optic nerve. The patient with ON has to be evaluated clinically but also with complex techniques (magnetic resonance imaging, visual evoked potentials, cerebrospinal fluid examination) because ON could be the presenting symptom in multiple sclerosis patients. Corticosteroids should be administrated intravenous and the patient should be followed by the neurologist in order to signal the appearance of new neurological signs.

[Optic neuropathy in multiple sclerosis].

The inflammation of the optic nerve called optic neuropathy could be an onset marker of multiple sclerosis. The authors review the place of optic neuropathy (neuritis) in the inflammatory demyelinating disease continuum, especially as the onset symptom of multiple sclerosis. We present the clinical symptoms, the aetiology of optic neuritis and the adjacent methods used to investigate optic neuritis.