Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs

Kjell G Gundersen,1 Rick Potvin2 1IFocus Øyeklinikk AS, Haugesund, Norway; 2Science in Vision, Akron, NY, USA Purpose: To compare two different diffractive trifocal intraocular lens (IOL) designs, evaluating longer-term refractive outcomes, visual acuity (VA) at various distances, low c...

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Autores principales:	Gundersen KG, Potvin R
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2017
Materias:	FineVision Panoptix multifocal defocus curve contrast sensitivity Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/0df24114a4564d61bf98f5651fe72092
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spelling	oai:doaj.org-article:0df24114a4564d61bf98f5651fe720922021-12-02T05:04:04ZTrifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs1177-5483https://doaj.org/article/0df24114a4564d61bf98f5651fe720922017-06-01T00:00:00Zhttps://www.dovepress.com/trifocal-intraocular-lenses-a-comparison-of-the-visual-performance-and-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Kjell G Gundersen,1 Rick Potvin2 1IFocus Øyeklinikk AS, Haugesund, Norway; 2Science in Vision, Akron, NY, USA Purpose: To compare two different diffractive trifocal intraocular lens (IOL) designs, evaluating longer-term refractive outcomes, visual acuity (VA) at various distances, low contrast VA and quality of vision.Patients and methods: Patients with binocularly implanted trifocal IOLs of two different designs (FineVision [FV] and Panoptix [PX]) were evaluated 6 months to 2 years after surgery. Best distance-corrected and uncorrected VA were tested at distance (4 m), intermediate (80 and 60 cm) and near (40 cm). A binocular defocus curve was collected with the subject’s best distance correction in place. The preferred reading distance was determined along with the VA at that distance. Low contrast VA at distance was also measured. Quality of vision was measured with the National Eye Institute Visual Function Questionnaire near subset and the Quality of Vision questionnaire.Results: Thirty subjects in each group were successfully recruited. The binocular defocus curves differed only at vergences of −1.0 D (FV better, P=0.02), −1.5 and −2.00 D (PX better, P<0.01 for both). Best distance-corrected and uncorrected binocular vision were significantly better for the PX lens at 60 cm (P<0.01) with no significant differences at other distances. The preferred reading distance was between 42 and 43 cm for both lenses, with the VA at the preferred reading distance slightly better with the PX lens (P=0.04). There were no statistically significant differences by lens for low contrast VA (P=0.1) or for quality of vision measures (P>0.3).Conclusion: Both trifocal lenses provided excellent distance, intermediate and near vision, but several measures indicated that the PX lens provided better intermediate vision at 60 cm. This may be important to users of tablets and other handheld devices. Quality of vision appeared similar between the two lens designs. Keywords: FineVision, Panoptix, multifocal, defocus curve, contrast sensitivityGundersen KGPotvin RDove Medical PressarticleFineVisionPanoptixmultifocaldefocus curvecontrast sensitivityOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 11, Pp 1081-1087 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	FineVision Panoptix multifocal defocus curve contrast sensitivity Ophthalmology RE1-994
spellingShingle	FineVision Panoptix multifocal defocus curve contrast sensitivity Ophthalmology RE1-994 Gundersen KG Potvin R Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs
description	Kjell G Gundersen,1 Rick Potvin2 1IFocus Øyeklinikk AS, Haugesund, Norway; 2Science in Vision, Akron, NY, USA Purpose: To compare two different diffractive trifocal intraocular lens (IOL) designs, evaluating longer-term refractive outcomes, visual acuity (VA) at various distances, low contrast VA and quality of vision.Patients and methods: Patients with binocularly implanted trifocal IOLs of two different designs (FineVision [FV] and Panoptix [PX]) were evaluated 6 months to 2 years after surgery. Best distance-corrected and uncorrected VA were tested at distance (4 m), intermediate (80 and 60 cm) and near (40 cm). A binocular defocus curve was collected with the subject’s best distance correction in place. The preferred reading distance was determined along with the VA at that distance. Low contrast VA at distance was also measured. Quality of vision was measured with the National Eye Institute Visual Function Questionnaire near subset and the Quality of Vision questionnaire.Results: Thirty subjects in each group were successfully recruited. The binocular defocus curves differed only at vergences of −1.0 D (FV better, P=0.02), −1.5 and −2.00 D (PX better, P<0.01 for both). Best distance-corrected and uncorrected binocular vision were significantly better for the PX lens at 60 cm (P<0.01) with no significant differences at other distances. The preferred reading distance was between 42 and 43 cm for both lenses, with the VA at the preferred reading distance slightly better with the PX lens (P=0.04). There were no statistically significant differences by lens for low contrast VA (P=0.1) or for quality of vision measures (P>0.3).Conclusion: Both trifocal lenses provided excellent distance, intermediate and near vision, but several measures indicated that the PX lens provided better intermediate vision at 60 cm. This may be important to users of tablets and other handheld devices. Quality of vision appeared similar between the two lens designs. Keywords: FineVision, Panoptix, multifocal, defocus curve, contrast sensitivity
format	article
author	Gundersen KG Potvin R
author_facet	Gundersen KG Potvin R
author_sort	Gundersen KG
title	Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs
title_short	Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs
title_full	Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs
title_fullStr	Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs
title_full_unstemmed	Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs
title_sort	trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs
publisher	Dove Medical Press
publishDate	2017
url	https://doaj.org/article/0df24114a4564d61bf98f5651fe72092
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_version_	1718400633016418304

Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs

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