Table 4 Absolute refractive PEs and the numbers and percentages of eyes with refractive PE within ± 0.50 and ± 1.00 D

ZZ IOL

38

0.27 ± 0.18

0.24 (0.13 to 0.40)

33 (86.8 %)

38 (100.0 %)

Shammas

33^a

0.83 ± 1.02

0.54 (0.29 to 0.94)^b

15 (45.5 %)^b

26 (78.8 %)

Haigis-L

33^a

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 %)