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Multifocal IOL

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https://www.readbyqxmd.com/read/28732609/refractive-outcomes-after-multifocal-intraocular-lens-exchange
#1
Eric J Kim, Ahmar Sajjad, Ildamaris Montes de Oca, Douglas D Koch, Li Wang, Mitchell P Weikert, Zaina N Al-Mohtaseb
PURPOSE: To evaluate the refractive outcomes after multifocal intraocular lens (IOL) exchange. SETTING: Cullen Eye Institute, Baylor College of Medicine, Houston, Texas, USA. DESIGN: Retrospective case series. METHODS: Patients had multifocal IOL explantation followed by IOL implantation. Outcome measures included type of IOL, surgical indication, corrected distance visual acuity (CDVA), and refractive prediction error...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732606/visual-performance-after-bilateral-implantation-of-2-new-presbyopia-correcting-intraocular-lenses-trifocal-versus-extended-range-of-vision
#2
Gaspare Monaco, Mariangela Gari, Fabio Di Censo, Andrea Poscia, Giada Ruggi, Antonio Scialdone
PURPOSE: To compare the visual outcomes and quality of vision of 2 new diffractive multifocal intraocular lenses (IOLs) with those of a monofocal IOL. SETTING: Fatebenefratelli e Oftalmico Hospital, Milan, Italy. DESIGN: Prospective case series. METHODS: Patients had bilateral cataract surgery with implantation of a trifocal IOL (Panoptix), an extended-range-of-vision IOL (Symfony), or a monofocal IOL (SN60WF). Postoperative examinations included assessing distance, intermediate, and near visual acuity; binocular defocus; intraocular and total aberrations; point-spread function (PSF); modulation transfer function (MTF); retinal straylight; and quality-of-vision (QoV) and spectacle-dependence questionnaires...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28718041/quality-of-vision-patient-satisfaction-and-long-term-visual-function-after-bilateral-implantation-of-a-low-addition-multifocal-intraocular-lens
#3
Emilio Pedrotti, Rodolfo Mastropasqua, Jacopo Bonetto, Christian Demasi, Francesco Aiello, Carlo Nucci, Cesare Mariotti, Giorgio Marchini
PURPOSE: The aim of the current study was to compare the quality of vision, contrast sensitivity and patient satisfaction with a biaspheric, segmented, rotationally asymmetric IOL (Lentis Comfort LS-313 MF 15-Oculentis GmbH, Berlin, Germany) as opposed to those of a monofocal IOL. METHODS: This prospective single-blind comparative study included two groups of patients affected by bilateral senile cataract who underwent lens extraction and IOL implantation. The first group received a bilateral implantation of a monofocal IOL, and the second group received a bilateral implantation of the Comfort IOL...
July 17, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28717577/temporal-multiplexing-to-simulate-multifocal-intraocular-lenses-theoretical-considerations
#4
Vyas Akondi, Carlos Dorronsoro, Enrique Gambra, Susana Marcos
Fast tunable lenses allow an effective design of a portable simultaneous vision simulator (SimVis) of multifocal corrections. A novel method of evaluating the temporal profile of a tunable lens in simulating different multifocal intraocular lenses (M-IOLs) is presented. The proposed method involves the characteristic fitting of the through-focus (TF) optical quality of the multifocal component of a given M-IOL to a linear combination of TF optical quality of monofocal lenses viable with a tunable lens. Three different types of M-IOL designs are tested, namely: segmented refractive, diffractive and refractive extended depth of focus...
July 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28665477/visual-acuity-and-image-quality-in-5-diffractive-intraocular-lenses
#5
Genís Cardona, Fidel Vega, Miguel A Gil, Consuelo Varón, José A Buil, María S Millán
PURPOSE: To compare objective image quality at distant, intermediate, and near foci with the corresponding visual acuity (VA) in patients symmetrically implanted with 5 different diffractive multifocal intraocular lenses (IOLs) (ReSTOR SV25T0, Tecnis ZKB00, Tecnis ZLB00, AT LISA 809, and AT LISA Tri 839MP) and a monofocal lens (Tecnis ZA9003) 3 months after cataract intervention. METHODS: Objective image quality, measured as the area under the modulation transfer function curve (AMTF), was tested in vitro in an eye model...
June 26, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28662629/in-vitro-optical-quality-measurements-of-three-intraocular-lens-models-having-identical-platform
#6
Hyeck Soo Son, Tamer Tandogan, Stephanie Liebing, Patrick Merz, Chul Young Choi, Ramin Khoramnia, Gerd U Auffarth
BACKGROUND: With recent advances in technology and introduction of new intraocular lens (IOL) models, surgeons today have the opportunity to choose from various optical designs, which can influence the postoperative quality of vision. In our laboratory study, we compared the optical quality of three different IOLs that use the identical platform and are produced by the same manufacturer. The study included two diffractive multifocal IOLs, a bifocal and a trifocal one, as well as a monofocal IOL...
June 29, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28661569/effect-of-active-evaluation-on-the-detection-of-negative-dysphotopsia-after-sequential-cataract-surgery-discrepancy-between-incidences-of-unsolicited-and-solicited-complaints
#7
Natalia Y Makhotkina, Marjan D Nijkamp, Tos T J M Berendschot, Bart van den Borne, Rudy M M A Nuijts
PURPOSE: To evaluate the incidence of negative dysphotopsia after sequential cataract surgery. METHODS: Retrospective cohort study. The incidence of negative dysphotopsia was assessed by retrospective reviewing of medical records and interviews with patients between 2 and 4 months after sequential cataract surgery. Inclusion criteria were uncomplicated surgery, postoperative corrected distance visual acuity (CDVA) ≥20/25 Snellen and the absence of ocular comorbidity...
June 29, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28650130/supplementary-iols-monofocal-and-multifocal-their-applications-and-limitations
#8
Bita Manzouri, Maria-Laura Dari, Charles Claoué
Supplemental intraocular lenses (IOLs) have been developed to replace IOLs designed for in-the-bag placement being used as "piggy-back" IOLs in the sulcus due to unacceptable complications. The new IOLs have unique platform designs to avoid these complications. As a result, a new nomenclature is needed to describe the 4 scenarios when supplemental IOL use is now indicated.
June 26, 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28639448/-hybrid-monovision
#9
P Studený, M Kacerovský, J Kacerovská, N Gajarová, Z Straňák
AIM: To evaluate our own results of the use of hybrid monovision technique, in patients after bilateral cataract surgery, where in the dominant eye the monofocal intraocular lens is implanted and in the non-dominant eye the multifocal intraocular lens (IOL) is implanted. MATERIAL AND METHODS: Prospective follow-up of group of 33 patients with bilateral cataract surgery and induced hybrid monovision. In the dominant eye, the hydrophilic monofocal aspheric intraocular lens Auroflex (Aurolab) was implanted, and in the non-dominant eye the hydrophilic multifocal aspheric intraocular lens Seelens (Hanita) was implanted...
2017: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/28602334/intraindividual-comparative-analysis-of-the-visual-performance-after-cataract-surgery-with-implantation-of-a-trifocal-and-a-bifocal-intraocular-lens
#10
Ghada Al-Khateeb, Mehdi Shajari, Thomas Kohnen
Presbyopia-treating intraocular lenses (IOLs) are now widely available and offer high predictability at all distances, better visual outcomes, and high patient satisfaction. In most patients, the same multifocal IOL is implanted bilaterally. In certain circumstances, such as during complex surgeries, it is important to be prepared with a backup plan to maintain surgical expectations. We report 3 patients who had femtosecond laser-assisted cataract surgeries in both eyes. The complicated eye had implantation of a bifocal IOL and the fellow eye of a trifocal IOL...
May 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28602324/visual-outcomes-and-patient-satisfaction-3%C3%A2-and-12%C3%A2-months-after-implantation-of%C3%A2-a%C3%A2-refractive-rotationally-asymmetric-multifocal%C3%A2-intraocular-lens
#11
Richard N McNeely, Eric Pazo, Andrew Spence, Olivier Richoz, M Andrew Nesbit, Tara C B Moore, Jonathan E Moore
PURPOSE: To assess the 3-month and 12-month postoperative visual performance and subjective patient satisfaction after refractive lens exchange (RLE) with implantation of a rotationally asymmetric multifocal intraocular lens (IOL). SETTING: Cathedral Eye Clinic, Belfast, United Kingdom. DESIGN: Prospective case series. METHODS: The refraction, uncorrected (UDVA) and corrected distance visual acuities, uncorrected intermediate (UIVA) and near (UNVA) visual acuities, distance-corrected intermediate and near visual acuities, and a quality of vision (QoV) questionnaire were evaluated 3 months and 12 months after implantation of an SBL-3 IOL...
May 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28586499/a-new-extended-depth-of-focus-intraocular-lens-based-on-spherical-aberration
#12
Roberto Bellucci, Maria C Curatolo
PURPOSE: To describe a new extended depth of focus intraocular lens (IOL) design offering multifocality by the variation of spherical aberration in the central optical zone. METHODS: The new IOL (Mini WELL; SIFI, Catania, Italy) is an aspheric IOL with positive spherical aberration in the central 2-mm zone and negative spherical aberration in the pericentral 1-mm annulus, the amount of which was determined by specific optic calculation. The new IOL design was tested at the optical bench to investigate depth of focus and sensitivity to tilt, decentration, and angle Kappa...
June 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28574135/patient-centered-and-visual-quality-outcomes-of-premium-cataract-surgery-a-systematic-review
#13
Sophia Y Wang, Maxwell S Stem, Gale Oren, Roni Shtein, Paul R Lichter
PURPOSE: Over 8 million cataract surgeries are performed in the United States and the European Union annually, with many patients choosing to pay out of pocket for premium options including premium intraocular lens implants (IOLs) or laser-assisted cataract surgery (LACS). This report provides a systematic review evaluating patient-centered and visual quality outcomes comparing standard monofocal IOLs to premium cataract surgery options. METHODS: PubMed and EMBASE were searched for publications published between January 1, 1980, and September 18, 2016, on multifocal, accommodative, and toric IOLs, monovision, and LACS, which reported on 1) dysphotopsias, 2) contrast sensitivity, 3) spectacle independence, 4) vision-related quality of life or patient satisfaction, and 5) IOL exchange...
April 24, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28573990/immediate-sequential-bilateral-cataract-surgery-a-5-year-retrospective-analysis-of-2470-eyes-from-a-tertiary-care-eye-center-in-south-india
#14
Sri Ganesh, Sheetal Brar, Rohit Sreenath
PURPOSE: The purpose of this study is to evaluate the safety and benefits of immediate sequential bilateral cataract surgery. PATIENTS AND METHODS: Retrospective data analysis of patients who underwent immediate sequential bilateral phacoemulsification with foldable intraocular lens (IOL) implantation under topical anesthesia from January 2011 to September 2016 was performed. Patients with visually significant bilateral cataract within the axial length range of 21...
May 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28553072/preoperative-measurement-vs-intraoperative-aberrometry-for-the-selection-of-intraocular-lens-sphere-power-in-normal-eyes
#15
James A Davison, Richard Potvin
PURPOSE: This study aimed to assess the value of intraoperative aberrometry (IA) in determining the intraocular lens (IOL) sphere power in eyes with no previous ocular surgery. PATIENTS AND METHODS: We conducted a retrospective review of patients who underwent uncomplicated cataract surgery where standard preoperative (Preop) measurements and IA were performed. Calculated IOL sphere powers and postoperative refractions, both actual and theoretical, were compared based on the measurement method and lens type; lens types included multifocal, toric and aspheric single-vision non-toric IOLs...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28532941/cataract-surgery-practices-in-the-united-states-veterans-health-administration
#16
Annika G Havnaer, Paul B Greenberg, Glenn C Cockerham, Melissa A Clark, Amy Chomsky
PURPOSE: To describe current cataract surgery practices within the United States Veterans Health Administration (VHA). SETTING: Veterans Health Administration hospitals in the U.S. DESIGN: Retrospective data analysis. METHODS: An initial e-mail containing a link to an anonymous 32-question survey of cataract surgery practices was sent to participants in May 2016. Two reminder e-mails were sent to nonresponders 1 week and 2 weeks after the initial survey was sent; the remaining nonresponders were called twice over a 2-week period...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28523528/comparison-of-visual-outcomes-and-reading-performance-after-bilateral-implantation-of-multifocal-intraocular-lenses-with-bilateral-monofocal-intraocular-lenses
#17
Özge Güngör Akkuş, Ikbal Seza Petriçli
PURPOSE: To compare the visual acuity outcomes, contrast sensitivity function (CS) and reading ability in patients with bilateral multifocal intraocular lenses and patients with bilateral monofocal lenses. SETTING: Vizyon Eye Center, Denizli, Turkey. DESIGN: Comparative case series. METHODS: Consecutive bilateral cataract patients having implantation of Acriva Reviol MFM 611 multifocal IOLs (Group A) or Acriva BB UD 613 monofocal IOLs (Group B) were included...
May 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28433446/functional-magnetic-resonance-imaging-to-assess-the-neurobehavioral-impact-of-dysphotopsia-with-multifocal-intraocular-lenses
#18
Andreia M Rosa, Ângela C Miranda, Miguel Patrício, Colm McAlinden, Fátima L Silva, Joaquim N Murta, Miguel Castelo-Branco
PURPOSE: To investigate the association between dysphotopsia and neural responses in visual and higher-level cortical regions in patients who recently received multifocal intraocular lens (IOL) implants. DESIGN: Cross-sectional study. PARTICIPANTS: Thirty patients 3 to 4 weeks after bilateral cataract surgery with diffractive IOL implantation and 15 age- and gender-matched control subjects. METHODS: Functional magnetic resonance imaging (fMRI) was performed when participants viewed low-contrast grating stimuli...
April 19, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28412800/-visual-quality-comparison-after-multifocal-toric-intraocular-lens-or-monofocal-toric-intraocular-lens-implantation
#19
K Feng, H K Guo, Y L Zhang, Z Wu
Objective: To compare visual quality and satisfaction after multifocal toric intraocular lens (Acrysof IQ Restor toric, ART) and monofocal toric intraocular lens implantation in patients. Methods: It was a prospective nonrandomized Phase Ⅲ clinical trial. Patients with age-related cataract and corneal astigmatism were enrolled and accepted phacoemulsification combined with implantation of intraocular lens (IOL) in Henan Provincial Eye Hospital during March 2013 to December 2014. Fifty-six cases were divided into two groups according to which IOL they chose...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28412796/-multiple-issues-in-multifocal-intraocular-lens
#20
Z H Li, Z Ye, Y Huang
The occurrence of multifocal intraocular lens (MIOL) is known as an important period in the development of cataract surgery, which can provide a simultaneous vision without the use of spectacles or contact lenses. However, in the current stage, MIOL implantation may also lead to decreased visual acuity and increased risk of photic phenomena, thus in some instance a second procedure to exchange the MIOL is necessary. Optimizing visual outcomes of MIOL implantation and controlling adverse effects has become the focus for ophthalmologists...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
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