Outcomes of Vision with a Diffractive Trifocal Intraocular Lens in Patients with Short Axial Length

Overview

This study evaluates the efficacy, predictability, and safety of bilateral trifocal intraocular lens (IOL) implantation in patients with short axial length (≤22.5 mm) at 3 months postoperatively. Results indicate significant improvements in visual acuity and subjective visual quality, highlighting the potential benefits of this surgical approach for patients with short AL.

Background

Cataract is a leading cause of blindness, particularly in older populations, with a notable prevalence in Asia. Patients with short axial length face unique challenges during cataract surgery, including higher risks of ocular complications and a greater need for presbyopia correction. Understanding the outcomes of trifocal IOLs in this demographic is crucial for optimizing surgical strategies and improving patient quality of life.

Data Highlights

No numerical data was provided in the source material.

Key Findings

• Bilateral implantation of trifocal IOLs significantly improves visual acuity in patients with short axial length.
• Patients reported enhanced subjective visual quality at 3 months postoperatively.
• Short axial length patients are more likely to experience presbyopia and require effective near vision correction.
• Trifocal IOLs can address the refractive errors commonly seen in patients with short axial length.
• Careful patient selection and accurate biometry are essential for optimal outcomes in short axial length cases.

Clinical Implications

Surgeons should consider trifocal IOLs as a viable option for patients with short axial length, ensuring thorough preoperative assessments to mitigate risks of complications. Enhanced visual outcomes can lead to improved patient satisfaction and reduced dependence on corrective eyewear.

Conclusion

The study supports the use of trifocal IOLs in patients with short axial length, demonstrating favorable visual outcomes and emphasizing the importance of tailored surgical approaches for this unique patient population.

References

1. Ophthalmology Management, INSIGHT ON NEW IOL TECHNOLOGIES, 2022 -- International surgeons provide their clinical experience with some IOL designs that are new to the United States.
2. Ophthalmology Management, A Lens for Every Lifestyle, 2025 -- Understanding each patient’s visual needs, activities, and ocular health is vital to identifying the most appropriate IOL for that individual.
3. Ophthalmology Management, Bridge the gap between distance and near, 2017 -- Trifocal IOL technology, not available in the U.S., can allow some patients clear vision without glasses.
4. 2024 ESCRS Draft Cataract Guidelines -- Contemporary guidance emphasizes that presbyopia‑correcting IOLs are appropriate for cataract patients who prioritize spectacle independence.
5. Visual outcome of a diffractive trifocal intraocular lens in eyes with short axial length - PMC -- A prospective study reported good uncorrected distance, intermediate, and near performance.
6. Ophthalmology Management — Trifocal: Clearing up the middle distance
7. 2024
8. Visual outcome of a diffractive trifocal intraocular lens in eyes with short axial length - PMC
9. Intraocular lens calculation formula selection for short eyes: based on axial length and anterior chamber depth - PMC