Table 1.
Prevalence of microcystic macular edema according to the etiology of the optic atrophy.
| Number of Eyes, n (%) | With OA 643 (100%) |
With OA+MME 95 (15%) |
|---|---|---|
| Etiology of optic atrophy, n (%) eyes per etiology with OA | ||
| Inflammatory | 197 (31%) | 21 (22%) |
| MS-associated inflammatory optic neuritis | 69 (11%) | 4 (6%) |
| Myelin oligodendrocyte glycoprotein optic neuritis | 16 (2%) | 1 (6%) |
| Anti-aquaporin-4 antibody-positive optic neuritis | 7 (1%) | 2 (29%) |
| Isolated inflammatory optic neuritis | 100 (16%) | 13 (13%) |
| Infectious optic neuropathy | 5 (0.8%) | 1 (20%) |
| Hereditary | 69 (11%) | 13 (19%) |
| Secondary to intracranial hypertension | 49 (8%) | 5 (10%) |
| Compressive | 87 (13%) | 16 (18%) |
| Optic disc drusen | 18 (3%) | 1 (6%) |
| Ischemic | 44 (7%) | 9 (20%) |
| Traumatic | 41 (6%) | 8 (20%) |
| Toxic and nutritional | 30 (5%) | 0 (0%) |
| Undetermined | 108 (17%) | 22 (20%) |
MME: microcystic macular edema; MS: multiple sclerosis; OA: optic atrophy.