In vitro optical quality comparison between the Mini WELL Ready progressive multifocal and the TECNIS Symfony

Domínguez‐Vicent, Alberto; Esteve-Taboada, José J.; Águila-Carrasco, Antonio J. Del; Ferrer-Blasco, Teresa; Montés‐Micó, Robert

doi:10.1007/s00417-015-3240-7

Cited by 76 publications

(54 citation statements)

References 25 publications

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“…This leads us to discuss on bifocal design, Symfony's lens EDOF design, and on the compensation of chromatic aberration. Such results and discussions provide an additional context to the modulation transfer function based results recently reported by related research [18][19][20][21].…”

Section: Introductionsupporting

confidence: 72%

Extended depth of focus intraocular lens Chromatic performance

Millán¹,

Vega²

2017

Biomed. Opt. Express

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We describe a first-and-second-diffractive-order intraocular lens ((1,2)DIOL) within the class of hybrid refractive-diffractive designs for intraocular lenses (IOLs) and analyse its properties of focus extension and compensation of longitudinal chromatic aberration (LCA), particularly for lenses with low addition. Power, energy efficiency and their wavelength dependence are extended from monofocal IOL and conventional bifocal zeroth-and-first-diffractive-order IOL ((0,1)DIOL) to (1,2)DIOL of low addition. Compensation of LCA is experimentally assessed in optical bench through the through-focus energy efficiency of three Tecnis IOLs with red, green and blue illuminations: ZA9003 (monofocal), ZKB00 (bifocal (0,1)DIOL with + 2.75 D add) and Symfony ZXR00. We prove Tecnis Symfony ZXR00 IOL can be considered an example of (1,2)DIOL design of low addition, with LCA compensation in both the distance and intermediate foci, whereas the bifocal (0,1)DIOL does not compensate in the distance focus. However, the energy efficiency of (1,2)DIOL for wavelengths other than the design wavelength is markedly more asymmetric.

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Section: Introductionsupporting

confidence: 72%

Extended depth of focus intraocular lens Chromatic performance

Millán¹,

Vega²

2017

Biomed. Opt. Express

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“…This IOL is based on a new echelette optic design and combines the compensation for chromatic aberration and primary spherical aberration [6] [7]. Although there is still a lack of clinical studies reporting the clinical outcomes of this IOL, in-vitro studies have shown its ability to provide an enlarged depth of focus [8]. Likewise, experimental studies have revealed that the modulation transfer function (MTF) of the Tecnis Symfony IOL for intermediate distances is comparable to that achieved with trifocal IOLs [9].…”

Section: Discussionmentioning

confidence: 99%

A More Natural Way of Seeing: Visual Performance of Three Presbyopia Correcting Intraocular Lenses

Hamid¹,

Sokwala²

2016

OJOph

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“…An alternative IOL design classified as EDOF is an aspheric IOL with positive spherical aberration in the central 2 mm zone and negative spherical aberration in the pericentral 1 mm annulus (Bellucci and Curatolo, 2017;Dominguez-Vicent et al, 2016), although there is no peer reviewed published clinical assessment on this IOL. Alterations to the light adjustable IOL once implanted in the eye through UV radiation patterns can also create an EDOF effect (Villegas et al, 2014).…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Presbyopia: Effectiveness of correction strategies

Wolffsohn

Davies

2019

Progress in Retinal and Eye Research

211

178

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Presbyopia is a global problem affecting over a billion people worldwide. The prevalence of unmanaged presbyopia is as high as 50% of those over 50 years of age in developing world populations, due to a lack of awareness and accessibility to affordable treatment, and is even as high as 34% in developed countries. Definitions of presbyopia are inconsistent and varied, so we propose a redefinition that states "presbyopia occurs when the physiologically normal age-related reduction in the eye's focusing range reaches a point, when optimally corrected for distance vision, that the clarity of vision at near is insufficient to satisfy an individual's requirements". Strategies for correcting presbyopia include separate optical devices located in front of the visual system (reading glasses) or a change in the direction of gaze to view through optical zones of different optical powers (bifocal, trifocal or progressive addition spectacle lenses), monovision (with contact lenses, intraocular lenses, laser refractive surgery and corneal collagen shrinkage), simultaneous images (with contact lenses, intraocular lenses and corneal inlays), pinhole depth of focus expansion (with intraocular lenses, corneal inlays and pharmaceuticals), crystalline lens softening (with lasers or pharmaceuticals) or restored dynamics (with 'accommodating' intraocular lenses, scleral expansion techniques and ciliary muscle electrostimulation); these strategies may be applied differently to the two eyes to optimise the range of clear focus for an individual's task requirements and minimise adverse visual effects. However, none fully overcome presbyopia in all patients. While the restoration of natural accommodation or an equivalent remains elusive, guidance is given on presbyopic correction evaluation techniques.

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In vitro optical quality comparison between the Mini WELL Ready progressive multifocal and the TECNIS Symfony

Cited by 76 publications

References 25 publications

Extended depth of focus intraocular lens Chromatic performance

Extended depth of focus intraocular lens Chromatic performance

A More Natural Way of Seeing: Visual Performance of Three Presbyopia Correcting Intraocular Lenses

Presbyopia: Effectiveness of correction strategies

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