Table 2 Preoperative refractive absolute prediction errors relative to the BUII in 52 eyes.

From: Comparison of the accuracy of 9 intraocular lens power calculation formulas after SMILE in Chinese myopic eyes

Formula

Mean (D)

SD (D)

Range (D)

Median (D)

EVO-TK

0.40

0.29

0.00 to 1.23

0.36

BTK-K

0.41

0.28

0.01 to 1.19

0.35

Masket-K

0.44

0.33

0.02 to 1.39

0.37

m-Masket-K

0.53

0.38

0.01 to 1.59

0.42

BTK-TK

0.55

0.40

0.02 to 1.57

0.52

BTKNH-K

0.56

0.38

0.01 to 1.42

0.45

EVO-K

0.61

0.39

0.01 to 1.41

0.54

MASKET-TK

0.64

0.46

0.03 to 1.86

0.51

Pearl-DGS-TK

0.64

0.59

0.04 to 2.73

0.47

Pearl-DGS-K

0.70

0.47

0.02 to 1.71

0.59

Kane-TK

0.72

0.50

0.01 to 1.96

0.67

Haigis-L-K

0.78

0.56

0.01 to 2.35

0.73

BTKNH-TK

0.81

0.55

0.04 to 2.26

0.73

Shammas-K

0.83

0.65

0.00 to 2.51

0.83

m-Masket-TK

0.96

0.54

0.06 to 2.28

0.90

Kane-K

1.37

0.78

0.08 to 3.03

1.34

Haigis-L-TK

1.46

0.71

0.20 to 3.58

1.41

Shammas-TK

1.58

0.68

0.33 to 3.56

1.61

  1. EVO, Emmetropia Verifying Optical 2.0; BTK, Barrett True K; BTKNH, Barrett True K No History; m-Masket, modified-Masket; K, keratometry and TK, total keratometry; D, dioptre.
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