Table 1 Summary of demographic and biometric data.

From: Outcomes of the Haigis-L formula for calculating intraocular lens power in extreme long axis eyes after myopic laser in situ keratomileusis

Parameter

Mean ± SD

Range

Age (y)

56.05 ± 8.80

43, 66

Axial length (mm)

30.71 ± 1.14

29.07, 33.59

Anterior chamber depth (mm)

3.31 ± 0.35

2.65, 4.15

Kf

36.23 ± 2.03

31.81, 40

Ks

36.85 ± 1.91

32.89, 40.52

Kaver

36.54 ± 1.96

32.35, 40

Kp

−6.16 ± 0.23

−6.70, −5.80

Kc

34.43 ± 2.20

30.04, 38.76

Spherical equivalent (D)

  Preoperative

−13.02 + 4.58

 

  Postoperative

−2.75 ± 0.82

 

IOL power implanted (D)

17.29 ± 3.81

10.5, 24

  1. Kf Corneal keratometry flattest meridian, Ks corneal keratometry steepest meridian, Kaver = (Kf + Ks)/2, Kp keratometry of posterior corneal surface, Kc = Kaver × 1.114 + Kp, IOL intraocular lens.
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