Table 3.
Comparison of Corneal Topometric Indices Between Control and Blepharoptosis.
| Control | Blepharoptosis | |||
|---|---|---|---|---|
| Mild | Moderate | Severe | ||
| Index of surface variance | 15.52 ± 3.46 | 19.09 ± 4.99* | 21.64 ± 7.18*** | 25.04 ± 7.57*** |
| Index of vertical asymmetry | 0.10 ± 0.04 | 0.14 ± 0.05 | 0.19 ± 0.12*** | 0.22 ± 0.11*** |
| Keratoconus index | 1.02 ± 0.02 | 1.03 ± 0.03 | 1.05 ± 0.03*** | 1.06 ± 0.04*** |
| Central keratoconus index | 1.005 ± 0.005 | 1.007 ± 0.008 | 1.011 ± 0.008*** | 1.013 ± 0.007*** |
| Index of height asymmetry | 4.28 ± 3.58 | 7.05 ± 4.03* | 4.94 ± 4.32 | 8.024 ± 5.16*** |
| Index of height decentration | 0.009 ± 0.004 | 0.012 ± 0.006 | 0.017 ± 0.012*** | 0.017 ± 0.011*** |
Data are mean standard deviation unless otherwise indicated.
*P < 0.05, **P < 0.01, and ***P < 0.001, versus controls.