Demographic profile of the patients
| Patient category (n = 24) | Unilateral/bilateral DON | Age (mean, (range) y) | Sex | Time interval after last DON episode (mean, (range) y) |
|---|---|---|---|---|
| 10 Clinically definite or probable MS | 5 Unilateral | 37 | 1 M | 4.5 (1–9) |
| 5 Bilateral | (32–52 years) | 9 F | ||
| 14 Isolated DON | 12 Unilateral | 39 | 3 M | 5.2 (1–10) |
| 2 Bilateral | (29–56) | 11 F | ||
| Normals | 37 | 4 M | ||
| (30–55) | 16 F |
DOM=demyelinating optic neuritis; MS=multiple sclerosis.