May 5, 2026 · Journal of cataract and refractive surgery · DOI: 10.1097/j.jcrs.0000000000001964

Accuracy of six contemporary toric formulas: Analysis of 6,753 Eyes

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The authors aimed to compare the predictive accuracy of four toric intraocular lens (IOL) formulas integrated into the ESCRS calculator by analyzing data from 6,753 eyes. They found that the Kane formula demonstrated superior predictive accuracy, with the lowest mean vector magnitude prediction error and the highest proportion of eyes achieving errors within 0.50 D, although the clinical relevance of the small differences among the formulas remains uncertain.

Janusz Skrzypecki, Douglas D Koch, Li Wang

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