Characteristics of 11 patients with peripapillary colobomatous pseudo-duplication of the optic disc
| No | Side | Age (years) at referral | Sex | Visual acuity | Location of “second optic disc” | Coloboma pigmentation | Other features | Unusual visual field |
|---|---|---|---|---|---|---|---|---|
| DD, disc diameter; OCT, optical coherence tomography. | ||||||||
| 1 | Left | 72 | M | 6/6 | 2 DD inferior | Absent | – | – |
| 2 | Left | 35 | M | 6/6 | 0.5 DD inferior | Present | Nerve fibre layer over coloboma on OCT | – |
| 3 | Left | 70 | M | 6/9 | 2 DD superior | Present | Macular congenital hypertrophy of retinal pigment epithelium | Double blind spot |
| 4 | Left | 20 | M | 6/6 | 1.5 DD inferior | Present | – | Superior hemifield defect |
| 5 | Right | 35 | F | 6/9 | 1 DD inferior | Absent | – | – |
| 6 | Right | 22 | F | 6/6 | 2 DD inferior | Absent | – | – |
| 7 | Right | 11 | M | 6/5 | 1.5 DD inferior | Present | Bilateral disc coloboma | Bilateral superior hemifield |
| Tortuous right inferonasal branch retinal vein | defect | |||||||
| 8 | Right | 50 | M | 6/6 | 1.5 DD inferior | Present | – | – |
| 9 | Left | 15 | F | 6/6 | 1 DD superior | Absent | – | – |
| 10 | Left | 30 | M | 6/5 | 1.5 DD inferior | Present | – | – |
| 11 | Left | 40 | M | 6/6 | 3 DD inferior | Absent | – | – |