Table 2.
Actual and calculated A-constants
| Alcon MZ30BD | Chiron C11UB | |
| Recommended (SRK-II only) | 118.7 | 119.0 |
| SRK-II (calculated) | 118.7 | 119.0 |
| SRK-T ACD (calculated) | 5.183 | 5.401 |
| SRK-T A-constant (calculated) | 118.35 | 118.7 |
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