Table 1. Severity criteria for demyelinating-inflammatory attacks of the central nervous system.

Optic neuritis

1. Bilateral optic neuritis

2. Severe visual loss (visual acuity < 20/200)

Brain injury

1. Hypothalamic lesion

2. Bulbar lesion

Acute myelitis

1. Symptoms compatible with transverse/complete myelitis

2. Major motor deficit

3. Bladder dysfunction