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Table 3 Mean absolute change in predicted postoperative refraction between pre- and post-pupil dilation calculated by the three formulas

From: Influence of pupil dilation on the Barrett universal II (new generation), Haigis (4th generation), and SRK/T (3rd generation) intraocular lens calculation formulas: a retrospective study

 

P value

Formulae

Mean absolute changea

SRK vs Haigis

Haigis vs Barret

SRK vs Barret

SRK/T

0.0052 ± 0.0053 D [0.00–0.11]

< 0.0001

< 0.0001

< 0.0001

Haigis

0.035 ± 0.019 D [0.00–0.08]

Barrett

0.047 ± 0.029 D [0.00–0.02]

  1. aData are presented as means ± standard deviations
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BMC Ophthalmology

ISSN: 1471-2415

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