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Table 4 Percentages of normal axial length eyes within various diopter ranges of the outcomes predicted

From: Different lens power calculation formulas for the prediction of refractive outcome after phacoemulsification with silicone oil removal

Range (D)

SRK/Tn (%)

Holladay 1n (%)

Holladay 2n (%)

Haigisn (%)

Hoffer Qn (%)

Barrett Universal II

P

±0.25

3 (10.7)

4 (14.3)

5 (17.9)

4 (14.3)

6 (21.4)

4 (14.3)

0.842

±0.50

11 (39.3)

12 (42.9)

11 (39.3)

8 (28.6)

13 (46.4)

11 (39.3)

0.707

±0.75

18 (64.3)

18 (64.3)

18 (44.3)

19 (67.9)

16 (57.1)

19 (67.9)

0.942

±1.00

21 (75.0)

23 (82.1)

22 (78.6)

23 (82.1)

23 (82.1)

22 (78.6)

0.941

> 1.00

7 (25.0)

5 (17.9)

6 (21.4)

5 (17.9)

5 (17.9)

6 (21.4

0.952