Table 1.
Visible ODD | Buried ODD | p value | |
---|---|---|---|
(n = 8) | (n = 30) | ||
Age, years (mean ± SD) | 14 ± 4 | 11 ± 4 | 0.11 |
Female:male ratio, female % | 4:4 (50%) | 23:7 (77%) | 0.14 |
BCVA (LogMAR) (mean ± SD) | 0.00 ± 0.00 | 0.03 ± 0.05 | 0.11 |
Spherical equivalent (D) (mean ± SD) | −1.41 ± 0.69 | −0.46 ± 1.81 | 0.16 |
Mean scleral canal diameter ratio V:H (µm) | 1788:1675 | 1561:1436 | <0.01 |
Visual field defects, n (%) | 2 (25%) | 5 (17%) | 0.04 |
ODD related complications, n (%) | 1 (13%) | 2 (7%) | 0.60 |
ODD EDI-OCT, n (%) | 8 (100%) | 30 (100%) | – |
PHOMS EDI-OCT, n (%) | 6 (75%) | 28 (93%) | 0.13 |
Fundus auto-fluorescence, n (%) | 4 (50%) | 15 (50%) | 0.65 |
Ophthalmic ultrasound, n (%) | 8 (100%) | 24 (80%) | 0.17 |
RNFL thickness, µm (mean ± SD) | 104 ± 27 | 107 ± 26 | 0.80 |
BCVA best-corrected visual acuity, D dioptres, EDI-OCT enhanced depth imaging optical coherence tomography, PHOMS peripapillary hyperreflective ovoid mass-lie structures, RNFL retinal nerve fibre layer, ODD optic disc drusen, SD standard deviation, V:H vertical:horizontal