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Comparisons between preoperative and postoperative values of cataract operation
| Preoperative | Postoperative | Difference between preoperative and postoperative values | p Value | |
| Mean IOP (mm Hg) (SD) | 14.9 (3.7) | 14.3 (3.5) | −0.5 (3.7) | 0.58 |
| Mean axial length (mm) (SD) | 23.97 (1.11) | 23.90 (1.11) | −0.08 (0.04) | <0.00001 |
| Mean keratometry (dioptres) (SD) | 43.65 (1.43) | 43.77 (1.48) | 0.12 (0.28) | 0.13 |
| Mean refractive error (spherical equivalent in dioptres) (SD) | −0.28 (0.24) | 0.02 (1.00) | 0.29 (0.96) | 0.26 |
