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Variations in retinal nerve fiber layer measurements on optical coherence tomography after implantation of trifocal intraocular lens

Abstract

Purpose

To establish the changes produced after implantation of a trifocal intraocular lens (IOL) on retinal nerve fiber layer measurements performed with Fourier-domain optical coherence tomography (OCT).

Methods

This prospective study included 100 eyes of 50 patients with bilateral cataract in surgical range, no other associated ocular involvement, refractive errors between +5 and −5 spherical diopters, and less than 1.5 D of corneal astigmatism. The eyes were operated by phacoemulsification with implantation of 2 different trifocal IOLs (FineVision and AT LISA tri 839MP) in randomized equal groups. Cirrus OCT and Spectralis OCT were performed before surgery and 3 months later. Both analyzed the thickness of the nerve fiber layer and thickness divided by quadrants (6 in case of Spectralis and 4 in case of Cirrus HD).

Results

The mean age of patients was 67.5 ± 5.8 years. The global nerve fiber layer thickness measured with Spectralis OCT was 96.77 μm before surgery and 99.55 μm after. With Cirrus OCT, the global thickness was 85.29 μm before surgery and 89.77 μm after. Statistically significant differences in global thickness measurements between preimplantation and postimplantation of the IOL were found with both OCT in the 2 groups. Statistically significant differences were also found in temporal and superior quadrants.

Conclusions

The implantation of a diffractive trifocal IOL alters the results of the optic nerve fiber layer on Fourier-domain OCT in these patients, which should be taken into account in the posterior study of these patients.

Post author correction

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.5301/ejo.5001028

Authors

Javier García-Bella, José M. Martínez de la Casa, Paula Talavero González, José I. Fernández-Vigo, Laura Valcarce Rial, Julián García-Feijóo

Article History

Disclosures

Financial support: No financial support was received for this submission.
Conflict of interest: None of the authors has conflict of interest with this submission.

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Authors

Affiliations

  •  Department of Ophthalmology, Institute of Health Research, Clínico San Carlos University Hospital, Complutense University of Madrid, Madrid - Spain
  •  Department of Ophthalmology, Jiménez Diaz Foundation, Madrid - Spain

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