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April 10, 2026Journal of Refractive Surgery1 citations

Accuracy of Intraocular Lens Power Calculation Formulas Using Total Keratometry in Eyes With Previous Radial Keratotomy

YZYuxing Zheng HLHaowen LinSun Yat-sen University XXXiaohang XieBoston University

Key Points

This research aims to evaluate the accuracy of intraocular lens power calculation formulas in eyes that have undergone radial keratotomy.
Evaluated prediction accuracy of different intraocular lens power calculation formulas.
Analyzed eyes with prior radial keratotomy to assess formula performance.
Focused on the use of total keratometry for enhanced predictions.
The LISA-MRS formula showed the highest prediction accuracy for intraocular lens power in post-RK eyes.
Total keratometry improved the accuracy of the Holladay 2 and LISA-MRS formulas.

Abstract

In post-RK eyes, the LISA-MRS formula displayed the highest prediction accuracy. TK could improve the prediction accuracy of the Holladay 2 and LISA-MRS formulas.

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