Table 1 Demographic data comparisons between optic disc pit and optic disc coloboma
Optic disc pit | Optic disc coloboma | P value | |
|---|---|---|---|
No. of eyes/patients | 11/11 | 14/9 | |
Mean age (years) [mean, SD] | 30.73 ± 9.676 | 20.86 ± 11.31 | 0.02 |
Visual symptoms at presentation | 11 (100) | 4 (44) | 0.008 |
Gender distribution (M: F) | 5:6 | 3:6 | 0.67 |
Bilateral involvement (n, %) | 0 (0) | 6 (67) | 0.002 |
Laterality (RE: LE) | 5:6 | 7:7 | > 0.999 |
No. of study eyes with choroidal coloboma (n, %) | 0 (0) | 6 (43) | 0.02 |
No. of fellow eyes with choroidal coloboma (n, %) | 0 (0) | 5 (36) | 0.046 |
Spherical equivalent study eye (D) | -0.466 ± 1.293 | -0.375 ± 1.313 | 0.764 |
Spherical equivalent fellow eye (D) | -0.716 ± 1.537 | -0.500 ± 1.146 | 0.988 |
Mean logMAR visual acuity study eye [mean, SD], (Snellen equivalent) | 0.589 ± 0.478 (20/78) | 0.531 ± 0.417 (20/68) | 0.798 |
Mean logMAR visual acuity fellow eye [mean, SD], (Snellen equivalent) | 0.016 ± 0.054 (20/21) | 0.59 ± 0.566 (20/78) | 0.001 |
IOP study eye (mm Hg) [mean, SD] | 14.27 ± 2.611 | 14.64 ± 4.217 | 0.925 |
IOP fellow eye (mm Hg) [mean, SD] | 14.45 ± 3.11 | 14.93 ± 4.615 | 0.945 |