Table 4.
Ocular biometry measurements of normal AL predilation and postdilation
| Parameters | Mean ± SD
|
Mean difference | 95% CI | P-value | |
|---|---|---|---|---|---|
| Predilation | Postdilation | ||||
| K1 flattest K (D) | 43.97±1.38 | 43.96±1.38 | 0.017 | −0.026, 0.059 | 0.435 |
| K2 steepest K (D) | 44.94±1.47 | 44.88±1.92 | 0.062 | −0.091, 0.215 | 0.425 |
| AL (mm) | 23.21±0.59 | 23.19±0.60 | 0.017 | 0.002, 0.031 | 0.024 |
| ACD (mm) | 3.13±0.37 | 3.24±0.36 | −0.119 | −0.141, −0.098 | <0.01 |
| IOL power (D) | 21.25±1.69 | 21.36±1.68 | −0.116 | −0.175, −0.056 | 0.0002 |
Abbreviations: AL, axial length; K, keratometry; ACD, anterior chamber depth; IOL, intraocular lens.