Table 1. Preoperative data of the two groups before cataract surgery.
| Parameters | Group A | Group B | P |
| Age (a) | 68.63±9.90 | 68.50±8.39 | 0.96 |
| Gender (M/F) | 11/19 | 10/20 | 0.94 |
| Lens nucleus hardness (II/III/IV) | 12/11/7 | 14/10/6 | 0.87 |
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