Patient demographic data
| Control | OHND | OHD | NTD | |
| No of eyes | 20 | 22 | 35 | 19 |
| Age (years) | 47.9 (22.1) | 49.0 (20.0) | 54.7 (9.6) | 57.9 (12.8) |
| Best corrected visual acuity | 1.43 (0.13) | 1.36 (0.22) | 1.32 (0.22) | 1.32 (0.24) |
| Refractive error (D) | −0.57 (2.11) | −1.74 (2.72) | −1.20 (2.58) | 0.02 (0.92) |
| Corneal curvature (mm) | 7.68 (0.23) | 7.59 (0.24) | 7.67 (0.30) | 7.63 (0.25) |
| Mean deviation (dB) | 0.83 (1.45) | 1.11 (1.67) | 0.12 (1.37) | 0.50 (1.89) |
↵Indicates significant difference between OHND group and NTD group (p<0.05). OHND = ocular hypertension without glaucomatous disc change; OHD = ocular hypertension with glaucomatous disc change; NTD = normal tension with glaucomatous disc change.