Table 3.
Mean Refractive Error (MRE), standard deviation, Mean Absolute Refractive Error (MARE), absolute standard deviation, and linear regression of the expected spherical equivalent correlated with the real spherical equivalent post-cataract surgery (Conventional formulas not requiring preoperative data).
| Conventional Formulas | MRE (Mean Refractive Error) | Standard Deviation | MARE (Mean Absolute Refractive Error) | Absolute Standard Deviation | P |
|---|---|---|---|---|---|
| Haigis-L | -0.137 | 0.802 | 0.719 | 0.339 | 0.0385* |
| Barret TK no Hx | -0.401 | 0.791 | 0.729 | 0.482 | 0.0524 |
| SRKT | 0.343 | 1.335 | 1.133 | 0.738 | 0.3542 |
| Hoffer Q | 0.177 | 0.968 | 0.809 | 0.523 | 0.0926 |
| Holladay 2 | 0.226 | 1.186 | 0.939 | 0.722 | 0.1017 |
*P <0.05 Significant