A Blended Approach to Spectacle Independence After Cataract Surgery Using a Novel Extended Depth of Focus Intraocular
Margarita Safir1, Justine Ong2,3, Oriel Spierer1,2
1Ophthalmology Department, Rabin Medical Center, Petah Tikva, Israel; Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Mosman Eye Centre, Sydney, Australia.
Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|August 8, 2025
Summary
A blended approach using extended depth of focus (EDOF) intraocular lenses (IOLs) significantly improved spectacle independence and visual acuity after cataract surgery. This method offers excellent distance, intermediate, and near vision with minimal adverse events.
Area of Science:
- Ophthalmology
- Refractive Surgery
- Cataract Surgery
Background:
- Cataract surgery aims to restore vision, often with intraocular lenses (IOLs).
- Extended Depth of Focus (EDOF) IOLs offer improved visual performance across multiple distances.
- Spectacle independence is a key goal for patients post-cataract surgery.
Purpose of the Study:
- To evaluate the effectiveness of a blended approach for spectacle independence after cataract surgery.
- To compare a symmetrical EDOF IOL implantation with a blended EDOF IOL implantation strategy.
- To assess visual acuity and patient satisfaction with a novel EDOF lens.
Main Methods:
- Retrospective comparative study at a single Australian eye center.
- Involved bilateral cataract surgery with a novel EDOF lens implantation.
- Compared symmetrical (+1.50 D add OU) vs. blended (+1.50 D dominant, +3.00 D non-dominant) EDOF IOL approaches.
Main Results:
- Both approaches significantly improved near and distance visual acuity (P < .001).
- The blended approach demonstrated significantly better uncorrected distance, intermediate, and near visual acuity compared to the symmetrical approach.
- Postoperative refraction was excellent, with all eyes within 0.18 D of emmetropia.
Conclusions:
- Blended EDOF IOL implantation provides excellent visual outcomes, including distance, intermediate, and near vision.
- This approach leads to a high rate of spectacle independence with few visual disturbances.
- Further randomized trials with larger sample sizes and longer follow-up are recommended to validate findings.
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