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BMC Ophthalmology

Clinical results with a multifocal intraocular lens with a novel optical design

Gustavo Goldman
(2024)

This study examined the optical performance and safety of a newly designed multifocal intraocular lens (IOL) with five focal points (two additional "intensifiers") for cataract and presbyopia management. Conducted in Buenos Aires and Ramos Mejia, Argentina, the prospective, non-randomized observational study included 31 patients (61 eyes) who received bilateral implantation between March 2020 and November 2021. At the 3-month follow-up, all eyes achieved an uncorrected distance visual acuity (UCDVA) of at least 0.15 logMAR, with 93% achieving 0.1 logMAR and 44% achieving 0.0 logMAR. For intermediate vision at 80 cm, 98% of eyes achieved at least 0.1 logMAR, and 79% reached 0.0 logMAR. The results highlight the new multifocal IOL’s efficacy, particularly for intermediate and near vision, with high rates of spectacle independence and patient satisfaction.

Abstract

Background To evaluate the optical performance and safety of a new multifocal lens with a novel optical design
featuring two additional foci (or intensifiers) in patients with cataract and presbyopia.

Methods:

In this single-center, non-randomized prospective observational study, 31 patients underwent implantation
of the new multifocal IOL between March 2020 and November 2021 at a tertiary clinical center in Buenos Aires
and Ramos Mejia, Argentina. Postoperative examinations with emphasis on uncorrected and corrected visual acuity
at distance and near and at two different intermediate distances (80 cm and 60 cm) were performed during the 3
postoperative months.

Results:

Of the 31 patients who underwent implantation of the new IOL, 30 underwent bilateral surgery (61 eyes
in total). At 3 months, all 61 eyes had an uncorrected distance visual acuity (UCDVA) of at least 0.15 logMAR; 57 eyes
(93%) had an uncorrected distance visual acuity (UCDVA) of 0.1 logMAR and 27 eyes (44%) had an UCDVA of 0.0
logMAR. At 80 cm, 60 eyes (98%) had an uncorrected intermediate visual acuity (UCIVA) of at least 0.1 log MAR and 48
eyes (79%) had an UCIVA of 0.0 logMAR.

Conclusion:

The new multifocal IOL with a novel optical concept (5 foci) showed a wide range of visual acuity especially
at intermediate and near distances in patients undergoing cataract surgery. Uncorrected visual acuity was excellent
at all tested distances, monocularly and binocularly, spectacle independence and patient satisfaction were high.

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