Visual, Refractive, Functional, and Patient Satisfaction Outcomes After Implantation of a New Extended Depth-of-Focus Intraocular Lens

Overview

Journal Clin Ophthalmol

Publisher Dove Medical Press

Specialty Ophthalmology

Date 2024 Dec 23

PMID 39712370

Authors

Javier Ferrando Gil

Adela Churruca Irazola

Iraia Reparaz

Gorka Lauzirika

Itziar Martinez-Soroa

Javier Mendicute

Affiliations

Soon will be listed here.

Abstract

Purpose: To describe the visual, refractive, functional, and patient satisfaction outcomes of the Bi-Flex POB-MA 877PEY (Elon, Medicontur Medical Engineering Ltd. Zsámbék, Hungary) extended depth-of-focus intraocular lens (EDoF IOL).

Patients And Methods: This was a prospective longitudinal descriptive study. Patients who underwent cataract surgery with the implantation of Bi-Flex POB-MA 877PEY IOL were included. Monocular refractive outcomes and visual acuity at distance, intermediate, and near were evaluated 1- and 3-month post-op. Binocular contrast sensitivity (CSV-1000, VectorVision, USA), binocular defocus curve, and patient satisfaction with the Visual Functioning Questionnaire (VFQ) were assessed at 3-month post-op.

Results: 20 Bi-Flex POB-MA 877PEY IOL were implanted bilaterally in 10 patients. The mean age of the patients was 68.60±4.45 years. At 1-month post-op the monocular Corrected Distance Visual Acuity (CDVA), intermediate (CIVA) and near (CNVA) was 0.02±0.03, 0.29±0.08, and 0.40±0.05 LogMAR respectively. At 3-month post-op the CDVA decrease to 0.05±0.06 LogMAR (p=0.042), and CIVA and CNVA remained stable at 3-month post-op (p>0.05). No statistical differences were found in post-op spherical equivalent at 1 and 3 month (-0.03±0.19 D and -0.03±0.13 D; p=1.000). 100% of eyes were within ±0.5 D at 1 month and 3-month post-op. Binocular defocus curve shows a peak of maximum visual acuity (VA) at 0 D (0.00±0.04 LogMAR), and a constant and progressive decrease at -1.50 D, and -2.50 D (0.15±0.08 LogMAR and 0.33±0.10 LogMAR, respectively). Contrast sensitivity decreased at high spatial frequencies. In patient satisfaction at 3 months post-op, VFQ reveals that 90% of patients revealed no or minor difficulty with glare/flare and 100% of patients have no or minor difficulty with halos. In overall satisfaction, 80% of patients rate their vision between 8 and 9 from a scale from 0 to 10.

Conclusion: The Bi-Flex POB-MA 877PEY EDoF IOL provides good visual outcomes for distance, and adequate intermediate vision, with low visual disturbances.

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