Visual Performance After the Implantation of a New Trifocal Intraocular Lens

Overview

Journal Clin Ophthalmol

Publisher Dove Medical Press

Specialty Ophthalmology

Date 2013 Oct 15

PMID 24124348

Citations 31

Authors

Jerome C Vryghem

Steven Heireman

Affiliations

Soon will be listed here.

Abstract

Purpose: To evaluate the subjective and objective visual results after the implantation of a new trifocal diffractive intraocular lens.

Methods: A NEW TRIFOCAL DIFFRACTIVE INTRAOCULAR LENS WAS DESIGNED COMBINING TWO SUPERIMPOSED DIFFRACTIVE PROFILES: one with +1.75 diopters (D) addition for intermediate vision and the other with +3.50 D addition for near vision. Fifty eyes of 25 patients that were operated on by one surgeon are included in this study. The uncorrected and best distance-corrected monocular and binocular, near, intermediate, and distance visual acuities, contrast sensitivity, and defocus curves were measured 6 months postoperatively. In addition to the standard clinical follow-up, a questionnaire evaluating individual satisfaction and quality of life was submitted to the patients.

Results: The mean age of patients at the time of surgery was 70 ± 10 years. The mean uncorrected and corrected monocular distance visual acuity (VA) were LogMAR 0.06 ± 0.10 and LogMAR 0.00 ± 0.08, respectively. The outcomes for the binocular uncorrected distance visual acuity were almost the same (LogMAR -0.04 ± 0.09). LogMAR -010 ± 0.15 and 0.02 ± 0.06 were measured for the binocular uncorrected intermediate and near VA, respectively. The distance-corrected visual acuity was maintained in mesopic conditions. The contrast sensitivity was similar to that obtained after implantation of a bifocal intraocular lens and did not decrease in mesopic conditions. The binocular defocus curve confirms good VA even in the intermediate distance range, with a moderate decrease of less than LogMAR 0.2 at -1.5 D, with respect to the best distance VA at 0 D defocus. Patient satisfaction was high. No discrepancy between the objective and subjective outcomes was evidenced.

Conclusion: The introduction of a third focus in diffractive multifocal intraocular lenses improves the intermediate vision with minimal visual discomfort for the patient.

Citing Articles

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PMID: 37846220 PMC: 10577869. DOI: 10.1016/j.aopr.2022.100042.

Visual Outcomes and Patient Satisfaction After Bilateral Refractive Lens Exchange with a Trifocal Intraocular Lens in Patients with Presbyopia.

Yim C, Dave A, Strawn A, Chan J, Zhou I, Zhu D Ophthalmol Ther. 2023; 12(3):1757-1773.

PMID: 37052874 PMC: 10164213. DOI: 10.1007/s40123-023-00708-x.

Trifocal intraocular lenses versus bifocal intraocular lenses after cataract extraction among participants with presbyopia.

La Cruz D, Bartlett J, Gutierrez M, Ng S Cochrane Database Syst Rev. 2023; 1:CD012648.

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First Results after Implantation of Hydrophilic and Hydrophobic Trifocal Intraocular Lenses: Visual and Optical Performance.

Poyales F, Perez R, Lopez-Brea I, Zhou Y, Garzon N J Ophthalmol. 2021; 2021:3514577.

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Binocular visual function after unilateral versus bilateral implantation of segmented refractive multifocal intraocular lenses: a pilot study.

Liu Y, Lan Q, Sun T, Tang C, Yang T, Duan H Graefes Arch Clin Exp Ophthalmol. 2021; 260(4):1205-1213.

PMID: 34825956 DOI: 10.1007/s00417-021-05496-3.

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