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Published in: Graefe's Archive for Clinical and Experimental Ophthalmology 9/2023

18-04-2023 | Cataract

Visual function in eyes with diffractive extended depth-of-focus and monofocal intraocular lenses: 2-year comparison

Authors: Takahiro Hisai, Keita Takada, Shota Tokuda, Ryohei Nejima, Yosai Mori, Keiichiro Minami, Kazunori Miyata

Published in: Graefe's Archive for Clinical and Experimental Ophthalmology | Issue 9/2023

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Abstract

Purpose

To compare long-term visual function after implantation of diffractive extended depth-of-focus (EDF) intraocular lenses (IOLs) using echelett optics and monofocal IOLs with the same platform.

Methods

In this prospective comparative case series, diffractive EDF or monofocal IOLs were implanted binocularly and followed up for 2 years. At the last visit, distance-corrected binocular visual acuities were measured at distances of 0.3, 0.5, 0.7, 1, 2, 3, and 5 m. Photopic and mesopic contrast sensitivity was also examined. Dynamic visual function was evaluated in terms of functional visual acuity (FVA), standard deviation of visual acuity (SDVA), visual maintenance ratio (VMR), mean response time, and number of blinks. The outcomes were compared between the two IOLs, and the influence of posterior capsule opacification (PCO) on contrast sensitivity and FVA was examined.

Results

Binocular visual acuity of eyes with EDF IOLs was better at distances of 0.5 and 0.7 m than that of eyes with monofocal IOL (P < 0.026). There were no differences in binocular visual acuity at other distances, contrast sensitivities, or dynamic visual functions. The influence of PCO on the visual functions was not found in eyes with EDF IOLs.

Conclusion

Up to 2 years postoperatively, eyes with diffractive EDF IOLs sustained superior intermediate visual acuity together with visual function comparable to that of eyes with monofocal IOLs.
Literature
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Metadata
Title
Visual function in eyes with diffractive extended depth-of-focus and monofocal intraocular lenses: 2-year comparison
Authors
Takahiro Hisai
Keita Takada
Shota Tokuda
Ryohei Nejima
Yosai Mori
Keiichiro Minami
Kazunori Miyata
Publication date
18-04-2023
Publisher
Springer Berlin Heidelberg
Published in
Graefe's Archive for Clinical and Experimental Ophthalmology / Issue 9/2023
Print ISSN: 0721-832X
Electronic ISSN: 1435-702X
DOI
https://doi.org/10.1007/s00417-023-06051-y

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