Group 1 - Flat Cornea

Km ≤ 42.00D

(N: 116)

Group 2

42.00D < Km > 46.00D

(N: 283)

Group 3 - Steep Cornea

Km ≥ 46.00D

(N: 77)

Parameter

Mean ± SD

Min to max

Mean ± SD

Min to max

Mean ± SD

Min to max

Spherical Equivalent (D)

−3.47 ± 1.54

(−6.00 to −1.00)

−4.06 ± 1.55

(−6.00 to −1.00)

−3.99 ± 1.38

(−6.00 to −1.75)

Sphere (D)

−2.71 ± 1.67

(−6.00 to 0.00)

−3.53 ± 1.60

(−6.00 to 0.00)

−3.33 ± 1.61

(−6.00 to −0.50)

Cylinder (D)

−1.51 ± 1.29

(−5.00 to 0.00)

−1.06 ± 1.01

(−5.50 to 0.00)

−1.25 ± 1.21

(−4.50 to 0.00)

K1 (D)

40.15 ± 0.75

(39.50 to 42.00)

43.20 ± 0.84

(40.75 to 45.00)

44.92 ± 0.99

(42.50 to 47.50)

K2 (D)

42.67 ± 0.77

(40.50 to 45.00)

44.45 ± 0.76

(42.75 to 46.50)

47.91 ± 0.71

(46.00 to 49.00)

Mean K (D)

40.80 ± 0.47

(40.38 to 42.00)

43.83 ± 0.69

(42.25 to 45.75)

46.79 ± 0.63

(46.00 to 48.13)

Pachymetry (µm)

552.43 ± 32.27

(480 to 633)

547.29 ± 26.22

(492 to 622)

553.5 ± 26.5

(505 to 624)

Ablation Depth (µm)

57.60 ± 19.55

(23 to 112)

64.61 ± 19.48

(23 to 113)

66.35 ± 19.0

(23 to 101)