Evaluation Of Functional Outcomes: A Comparative Study Of Two Diffractive Trifocal Intraocular Lenses
Published 2025 - 43rd Congress of the ESCRS
Reference: PP19.11 | Type: Free paper | DOI: 10.82333/sq4e-4017
Authors: Valeriia Suchkova* 1 , Svetlana Izmailova 1 , Fabian Mueller 2 , Alexey Slonimskiy 3
1Anterior Segment Transplant and Optical Reconstructive Surgery,S. Fyodorov Eye Microsurgery Federal State Institution,Moscow,Russian Federation, 2Ziemer Ophthalmology,Port,Switzerland, 3Eye clinic ,Moscow,Russian Federation
Purpose
The Hanita intraocular lenses (IOLs) Intensity SL and Intensity Toric EZ are suitable for micro-incision cataract surgery (1.8 mm incision) and offer higher light transmission compared to conventional trifocal IOLs. This monocentric, randomized clinical study investigates visual acuity at all distances with Hanita Intensity and compares its performance to that of the conventional diffractive multifocal IOL AcrySof IQ PanOptix (Alcon, TX, USA).
Setting
Dept. of Ophthalmology, University of Heidelberg, Heidelberg, Germany
Methods
A bilateral implantation of Intensity and Intensity Toric versus AcrySof IQ PanOptix and AcrySof IQ PanOptix Toric is planned in 116 eyes of 58 patients. Distant, intermediate, and near visual acuity as well as defocus curves are compared between the two IOLs. Postoperative follow-ups at 1 (1M) and 3 months (3M) include the determination of uncorrected (UDVA) and corrected (CDVA) distant visual acuity at 4m, uncorrected (UIVA) and distance-corrected intermediate visual acuity (DCIVA) at 80 cm, and uncorrected (UNVA) and distance-corrected near visual acuity (DCNVA) at 40 cm. Additionally, defocus curves with distance correction as well as monocular and binocular contrast sensitivity assessments are performed after 3 months.
Results
To date, 37 patients (66±10 years) have been enrolled. For the Intensity IOL, binocular visual acuity in logMAR was UDVA/CDVA (0.01/-0.04), UIVA/DCIVA (0.02/0.01), and UNVA/DCNVA (0.00/0.02) at 1M, and UDVA/CDVA (-0.03/-0.07), UIVA/DCIVA (-0.01/-0.01), and UNVA/DCNVA (-0.02/-0.03) logMAR at 3M. The AcrySof IQ PanOptix achieved similar results: UDVA/CDVA (-0.05/-0.07), UIVA/DCIVA (0.01/0.00), and UNVA/DCNVA (-0.01/0.00) at 1M, and UDVA/CDVA (-0.10/-0.13), UIVA/DCIVA (-0.02/-0.03), and UNVA/DCNVA (-0.02/0.0) at 3M. At 3M, the binocular, distance-corrected defocus curve showed continuous visual acuity of 0.10 logMAR or better from +0.50 to -3.0 diopters for the Intensity IOL and from +1.0 to -3.0 diopters for the AcrySof IQ PanOptix.
Conclusions
Both diffractive multifocal IOLs demonstrate promising results in terms of functional outcomes in distance, intermediate, and near visual acuity. Furthermore, they show comparable dysphotopsia profiles until now. Ongoing evaluation will provide further insights into visual acuity and defocus curve outcomes.