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IOL Calculation Formulas: What Should the Ophthalmologist Expect？

Matching modern IOL formulas to axial length for optimal outcomes

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  • 1

    IOL power calculation is crucial for optimal cataract surgery outcomes.

  • 2

    Evolution from linear regression to AI-based formulas enhances accuracy.

  • 3

    Formula selection should be personalized based on axial length.

  • 4

    Short eyes benefit from Hoffer Q and AI-based formulas like PEARL-DGS.

  • 5

    Normal axial lengths have good outcomes with SRK/T and Barrett Universal II.

  • 6

    Long axial lengths require adjustments to prevent hyperopic shifts.

  • 7

    Ongoing research needed to establish stable IOL selection criteria.

Original Source(s)

IOL Calculation Formulas: What Should the Ophthalmologist Expect？

  • by Andrzej Grzybowski , Geng Wang, Danye Mei

  • March 31, 2026

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