Functional outcomes and reading performance after combined implantation of a amall-aperture lens and a segmental refractive bifocal lens

Purpose: Clinical evaluation of the visual outcomes after implantation of a small-aperture extended depth of focus (EDOF) intraocular lens (IOL) and a segmental refractive bifocal lens. Methods: In this prospective study, 13 patients with cataract received a small-aperture IC-8 IOL (AcuFocus, Irvine...

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Main Authors: Son, Hyeck Soo (Author) , Khoramnia, Ramin (Author) , Yildirim, Timur Mert (Author) , Baur, Isabella (Author) , Łabuz, Grzegorz (Author) , Auffarth, Gerd U. (Author)
Format: Article (Journal)
Language:English
Published: September 10, 2019
In: Journal of refractive surgery
Year: 2019, Volume: 35, Issue: 9, Pages: 551-558
ISSN:1938-2391
DOI:10.3928/1081597X-20190806-02
Online Access:Verlag, Volltext: https://doi.org/10.3928/1081597X-20190806-02
Verlag: https://www.healio.com/ophthalmology/journals/jrs/2019-9-35-9/{3e171b23-6c5d-46fd-a0ef-c74346a5bcde}/functional-outcomes-and-reading-performance-after-combined-implantation-of-a-small-aperture-lens-and-a-segmental-refractive-bifocal-lens
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Author Notes:Hyeck Soo Son, Ramin Khoramnia, Timur M. Yildirim, Isabella Baur, Grzegorz Labuz, Gerd U. Auffarth

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520 |a Purpose: Clinical evaluation of the visual outcomes after implantation of a small-aperture extended depth of focus (EDOF) intraocular lens (IOL) and a segmental refractive bifocal lens. Methods: In this prospective study, 13 patients with cataract received a small-aperture IC-8 IOL (AcuFocus, Irvine, CA) in one eye and a segmental-refractive Lentis Mplus LS-313 MF20 IOL (Oculentis, Berlin, Germany) in the fellow eye. The clinical examination included measurements of uncorrected (UDVA) and corrected (CDVA) distance visual acuity, uncorrected (UIVA) and distance-corrected (DCIVA) intermediate visual acuity, and uncorrected (UNVA) and distance-corrected (DCNVA) near visual acuity. Additionally, a defocus curve was obtained from +2.00 to −5.00 diopters (D) and a Salzburg Reading Desk was used to assess the patients' reading acuity at intermediate and near distances. A halo and glare simulator was used to evaluate the postoperative perception of dysphotopsia. Results: At 5 months postoperatively, the mean binocular visual results demonstrated UDVA, UIVA, and UNVA values of −0.04 ± 0.11, 0.00 ± 0.10, and 0.11 ± 0.08 logMAR, respectively. The binocular distance-corrected reading performance test also confirmed the improved visual function, with an intermediate reading acuity of 0.12 logMAR at 69.21 cm and a near reading acuity of 0.19 logMAR at 41.63 cm. The mean halo size was 32.54 ± 22.38, mean halo intensity was 34.46 ± 21.95, mean glare size was 9.00 ± 17.47, and mean glare intensity was 9.92 ± 16.84. Conclusions: The new concept of a combined implantation of a small-aperture IOL and a segmental-refractive bifocal lens showed good results in far and intermediate distances and functional results at near distance, while causing minimal photic phenomena. 
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