The Role of Keratometry in Enhancing the Precision of Intraocular Lens Calculations for Patients with High Myopia
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By
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Guang-Yue Li
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Peng Zhao
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Zhong-Yan Li
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Zhao-Heng Yang
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Meng Li
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Jie Xu
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Xiu-Hua Wan
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Jing-Shang Zhang
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January 22, 2026
Clinical Scorecard: The Role of Keratometry in Enhancing the Precision of Intraocular Lens Calculations for Patients with High Myopia
At a Glance
| Category | Detail |
|---|
| Condition | High Myopia (defined as AL ≥ 26 mm or refractive error ≤ -6.00 D) |
| Key Mechanisms | IOL power calculation influenced by axial length (AL) and keratometry (K), with emphasis on their interaction. |
| Target Population | |
| Care Setting | |
Key Highlights
- Keratometry significantly influences IOL power calculation outcomes, especially in high myopia.
Guideline-Based Recommendations
Diagnosis
Management
- Utilize modern IOL formulas (e.g., BU II, EVO 2.0) for patients with AL > 26 mm.
Monitoring & Follow-up
Risks
Patient & Prescribing Data
Patients undergoing cataract surgery with high myopia.
Incorporate advanced IOL formulas to enhance refractive outcomes.
Clinical Best Practices
- Select appropriate IOL formulas based on individual patient anatomy and keratometry results.
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