Accuracy of Intraocular Lens Power Formulas Involving 148 Eyes with Long Axial Lengths: A Retrospective Chart-Review Study
Table 1
Baseline characteristics of eyes included in the study.
AL (mm)
Eyes (number)
Patient age (yr)
Mean AL (mm)
Mean (D)
Group A
26.01–27.00
24
68.92 ± 10.15
26.39 ± 0.33
44.28 ± 1.92
27.01–28.00
33
67.67 ± 9.24
27.46 ± 0.32
44.06 ± 1.97
Subtotal
57
68.19 ± 9.56
27.01 ± 0.63
44.15 ± 1.94
value†
0.015
/
0.137
Group B
28.01–29.00
17
68.29 ± 11.85
28.54 ± 0.29
44.61 ± 1.84
29.01–30.00
31
66.58 ± 10.45
29.49 ± 0.24
44.39 ± 1.32
Subtotal
48
67.19 ± 10.87
29.16 ± 0.53
44.47 ± 1.51
value†
0.029
/
0.057
Group C
30.01–31.00
18
63.50 ± 10.55
30.45 ± 0.34
43.67 ± 1.70
31.01–32.00
13
64.92 ± 10.89
31.45 ± 0.30
44.17 ± 1.73
32.01–33.00
6
58.00 ± 9.83
32.61 ± 0.26
44.22 ± 0.86
Subtotal
37
63.11 ± 10.47
31.15 ± 0.86
43.93 ± 1.59
value†
0.210
/
0.244
Group D
33.01–36.00
6
57.50 ± 4.68
34.02 ± 1.09
43.07 ± 0.58
Subtotal
6
57.50 ± 4.68
34.02 ± 1.09
43.07 ± 0.58
Total
148
66.16 ± 10.37
29.03 ± 2.05
44.15 ± 1.70
value‡
0.017
/
0.195
AL, axial length; , keratometric reading; D, diopters. Compared with Group D (one-way ANOVA). Compared among the four groups (one-way ANOVA). indicates .
