Table 3.
Comparison of DPE properties and optic disc configuration between emmetropic and myopic eyes*.
| Emmetropic Eyes (n = 40) | Myopic Eyes (n = 125) | P value † | |
|---|---|---|---|
| Location of the DPE (eyes) Fovea: superior: inferior: disc (%) | 9: 3: 9: 19 22.5: 7.5: 22.5: 47.55 | 39: 7: 54: 25 31.2: 5.6: 43.2: 20.0 | <0.001 § |
| Disc-DPE distance, μm | 2667.51 ± 1103.49 | 3661.52 ± 1308.55 | <0.001 ‡ |
| Fovea-DPE distance, μm | 2764.66 ± 955.36 | 2277.75 ± 1165.41 | 0.019 ‡ |
| Disc-DPE depth, μm | 35.93 ± 84.49 | 128.81 ± 170.11 | 0.001 ‡ |
| Fovea-DPE depth, μm | 355.26 ± 109.23 | 176.35 ± 172.38 | 0.473 |
| Disc–fovea angle (°) | 6.49 ± 3.59 | 7.36 ± 3.45 | 0.177 |
| Disc–DPE angle (°) | 20.81 ± 26.86 | 25.93 ± 25.81 | 0.286 |
| Disc torsion angle (°) | 4.41 ± 23.29 | 14.75 ± 27.81 | 0.037 ‡ |
| Disc ovality | 1.11 ± 0.08 | 1.25 ± 0.18 | <0.001 ‡ |
| Horizontal tilt angle (°) | 3.23 ± 6.26 | 10.95 ± 10.16 | <0.001 ‡ |
| Vertical tilt angle (°) | 0.87 ± 2.39 | 5.19 ± 7.94 | 0.001 ‡ |
DPE: deepest point of the eyeball.
*Data are presented as mean ± standard deviation unless otherwise indicated.
†Independent t-test for continuous variables.
‡Statistically significant values (P < 0.05) are shown in bold.
§χ² test for categorical variables.