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1. calc.apacrs.org › barrett_universal2105Barrett Universal II Formula V1.05 - APACRS

   calc.apacrs.org › barrett_universal2105

   Barrett Universal II Formula K Index 1.3375 K Index 1.332. Patient Data ; Universal Formula ; Formula Guide Enter Data and Calculate Doctor Name: Patient Name : Patient ID: Lens Factor (-2.0~5.0) or A Constant (112~125) Measurements: OD: OS: Axial Length (R) (12~38 mm) Axial Length ...

2. link.springer.com › article › 10Intraocular Lens Power Calculation Formulas—A Systematic Review

   link.springer.com › article › 10

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   12 wrz 2023 · The Barrett Universal II Formula. The Barrett Universal II formula launched in 2010 by Graham Barrett was based on Gaussian simplification of the Snellen refraction law in the paraxial space. It investigates the change from principal planes that occurs with different IOL power.

3. www.researchgate.net › publication › 343574385_Usefulness_of_the_Barrett_Suite(PDF) Usefulness of the Barrett Suite formulas for intraocular...

   www.researchgate.net › publication › 343574385_Usefulness_of_the_Barrett_Suite

   1 mar 2019 · The Barrett Universal II formula had the lowest percentage of refractive surprises (> 1D from predicted error) across all axial lengths.

4. link.springer.com › chapter › 10Barrett Formulas: Strategies to Improve IOL Power Prediction

   link.springer.com › chapter › 10

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   4 lip 2024 · Furthermore, a formula, such as Barrett Universal II, which is a theoretical formula incorporating paraxial ray tracing for the cornea and IOL, uses third-order polynomial regression to refine data-driven refinement of the ELP.

5. onlinelibrary.wiley.com › doi › 10Comparison of Predictability Using Barrett Universal II and SRK/T...

   onlinelibrary.wiley.com › doi › 10

   To compare the predictability of intraocular lens (IOL) power calculation using the Barrett Universal II and the SRK/T formulas, according to the keratometry. Methods. We retrospectively reviewed the clinical charts of 335 consecutive eyes undergoing standard cataract surgery.

6. app.aico.swiss › 19849 › storageBarrett formulae - app.aico.swiss

   app.aico.swiss › 19849 › storage

   Barrett Universal II Formula v1.05, for all eyes regardless of axial length. In the “Surgeon” field, you can choose which surgeon will perform the IOL implant and any customization of the constants or pre-setting of the preferred lenses will be applied on this basis. In “Target” field the target refractive value for the Post-Op must be inserted.

7. link.springer.com › article › 10A comparative analysis of 12 intraocular lens power formulas -...

   link.springer.com › article › 10

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   27 lip 2021 · For short-AL eyes, the Holladay 1 formula was most accurate (n = 69, 78.3% within ± 0.50D), and for long-AL eyes, the Barrett Universal II formula was most accurate (n = 116, 76.7% within ± 0.50D).