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Updated: Sep 12, 2025
05:46
Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
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Autorefraction Pitfalls in Extended Depth-of-Focus Pseudophakia: A Case Report
Andreas F Borkenstein1,2, Eva-Maria Borkenstein1,2
1Ophthalmology, Borkenstein and Borkenstein Private Practice, Privatklinik der Kreuzschwestern Graz, Graz, AUT.
Cureus
|August 7, 2025
Summary
Extended depth-of-focus (EDOF) intraocular lenses (IOLs) can cause misleading myopia readings on autorefractors, leading to incorrect spectacle prescriptions. Careful subjective refraction and communication are vital for accurate visual outcomes.
Area of Science:
- Ophthalmology
- Optics
- Biomedical Engineering
Background:
- Extended depth-of-focus (EDOF) intraocular lenses (IOLs) offer a wide visual range post-cataract surgery.
- Their optical design may interfere with automated refraction measurements.
Observation:
- Three patients with Tecnis PureSee EDOF IOLs showed excellent uncorrected vision but appeared myopic on autorefraction.
- Minus-powered spectacles were prescribed, leading to asthenopic symptoms like headaches and nausea.
Findings:
- Autorefractor testing yielded artifactual myopic shifts, not reflecting true visual performance.
- Incorrect spectacle prescriptions resulted from overcorrection due to objective refraction artifacts.
Implications:
- Subjective refraction and functional assessment are crucial after EDOF IOL implantation.
- Improved communication between ophthalmologists and opticians is necessary.
- Considering IOL-specific refractive behavior prevents unnecessary spectacle correction and enhances patient satisfaction.
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