Demographic and clinical characteristics of controls and cases
| Controls | Cases | P value | |
| Patients, n | 20 | 17 | – |
| Eyes, n | 31 | 25 | – |
| Females | 22 (71%) | 8 (32%) | 0.01 |
| Males | 9 (29%) | 17 (68%) | 0.01 |
| Mean (SD) age (years) | 50 (8) | 58 (9.2) | 0.06 |
| Median (IQR) BCVA (logMAR) | 0 (0, 0) | 0 (0, 0.2) | 0.25 |
| Median (IQR) spherical equivalent (dioptres) | 0 (−0.50, 0) | 0 (−0.8, 1) | 0.41 |
| Median (IQR) intraocular pressure (mm Hg) | 12 (11, 14.5) | 16 (12, 19) | 0.21 |
| Median (IQR) cup-disc ratio | 0.3 (0.3, 0.4) | 0.9 (0.8, 0.9) | 0.001 |
BCVA, best corrected visual acuity; logMAR, logarithm of the minimum angle of resolution.