The optimised lens constants
| Formula | Constant | Value |
| Barrett | Lens factor | 1.94 |
| EVO | A constant | 119.0 |
| Haigis | a0, a1, a2 | −0.739, 0.234, 0.217 |
| Hoffer Q | Personalised ACD | 5.727 |
| Holladay 1 | Surgeon factor | 1.860 |
| PearlDGS | IOL A constant | 119.1 |
| SRK/T | A constant | 119.082 |
ACD, anterior chamber depth; EVO, Emmetropia Verifying Optical; IOL, intraocular lens.