Formula | N | Absolute refractive PE | ± 0.50 D | ± 1.00 D | |
---|---|---|---|---|---|
Mean ± SD | Median (Quartile) | N (%) | N (%) | ||
ZZ IOL | 38 | 0.27 ± 0.18 | 0.24 (0.13 to 0.40) | 33 (86.8 %) | 38 (100.0 %) |
Shammas | 33a | 0.83 ± 1.02 | 0.54 (0.29 to 0.94)b | 15 (45.5 %)b | 26 (78.8 %) |
Haigis-L | 33a | 0.76 ± 1.23 | 0.33 (0.20 to 0.65)b | 22 (66.7 %) | 27 (81.8 %) |
Barrett True K (no history) | 38 | 0.73 ± 1.18 | 0.36 (0.20 to 0.57)b | 28 (73.7 %) | 32 (84.2 %) |
Ray tracing | 38 | 0.77 ± 1.23 | 0.50 (0.14 to 0.88)b | 19 (50.0 %)b | 32 (84.2 %) |