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Multifocal intraocular lens

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https://www.readbyqxmd.com/read/29331293/toric-lens-implantation-in-cataract-surgery-automated-versus-manual-horizontal-axis-marking-analysis-of-50%C3%A2-cases
#1
M Raucau, H El Chehab, E Agard, C Lagenaite, C Dot
SUBJECT: The main objective of our study was to evaluate the contribution of automated conjunctival registration in the alignment of toric intraocular lenses by comparing automated registration optimized with Callisto® to manual marking of the horizontal axis. MATERIALS AND METHODS: We performed a prospective, descriptive, monocentric study on patients undergoing cataract surgery with a toric intraocular lens (Asphina 709 Zeiss), performed by a surgeon with good experience in toric implants, between September 2016 and March 2017...
January 10, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29326824/secondary-multifocal-intraocular-lens-implantation-a-novel-management-strategy-for-white-cataracts
#2
Jiawen Ling, Yiyong Qian, Peirong Lu
Objectives: This study was designed to analyse the outcomes of secondary multifocal intraocular lens implantation in eyes with white cataracts. Methods: White cataract patients undergoing secondary multifocal intraocular lens implantation between June 2014 and January 2015 were evaluated prospectively. As opposed to a conventional primary intraocular lens implantation for an optimal patient, the white cataract was first extracted, followed by optical biometry measurements...
2018: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29303885/candida-endophthalmitis-after-descemet-stripping-automated-endothelial-keratoplasty-with-grafts-from-both-eyes-of-a-donor-with-possible-systemic-candidiasis
#3
Sotiria Palioura, Kavitha Sivaraman, Madhura Joag, Adam Sise, Juan F Batlle, Darlene Miller, Edgar M Espana, Guillermo Amescua, Sonia H Yoo, Anat Galor, Carol L Karp
PURPOSE: To report 2 cases with late postoperative Candida albicans interface keratitis and endophthalmitis after Descemet stripping automated endothelial keratoplasty (DSAEK) with corneal grafts originating from a single donor with a history of presumed pulmonary candidiasis. METHODS: Two patients underwent uncomplicated DSAEK by 2 corneal surgeons at different surgery centers but with tissue from the same donor and were referred to the Bascom Palmer Eye Institute with multifocal infiltrates at the graft-host cornea interface 6 to 8 weeks later, and anterior chamber cultures that were positive for the same genetic strain of C...
January 4, 2018: Cornea
https://www.readbyqxmd.com/read/29259902/clinical-outcomes-of-a-new-diffractive-multifocal-intraocular-lens
#4
Baha Toygar, Ozge Yabas Kiziloglu, Okan Toygar, Ali Murat Hacimustafaoglu
AIM: To evaluate clinical outcomes after implantation of a new diffractive aspheric multifocal intraocular lens (IOL) with +3.00 addition power. METHODS: This is a retrospective, consecutive case series of cataract patients who underwent bilateral implantation of the Optiflex MO/HF D012 (Moss Vision Inc. Ltd, London, UK) multifocal IOL. Patients followed for 6mo were included in the study. Data on distance, intermediate and near visual acuity, refractive error [manifest spherical equivalent (MSE)], contrast sensitivity, adverse events, subjective symptoms, spectacle independence and patient satisfaction [visual function questionnaire (VFQ)-25 questionnaire] were retrieved from electronic medical records and analyzed...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29223231/pupil-influence-on-the-quality-of-vision-in-rotationally-asymmetric-multifocal-iols-with-surface-embedded-near-segment
#5
Eric E Pazo, Richard N McNeely, Olivier Richoz, M Andrew Nesbit, Tara C B Moore, Jonathan E Moore
PURPOSE: To evaluate the influences of preoperative pupil parameters on the visual outcomes of the SBL-3, a rotationally asymmetric multifocal intraocular lens (IOL) with a surface-embedded near segment. SETTING: Cathedral Eye Clinic, Belfast, Northern Ireland, United Kingdom. DESIGN: Retrospective comparative case series. METHODS: Postoperatively, patients divided into 4 groups according to their pupil size as follows: Group A: 2...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29208827/optimizing-optical-outcomes-of-intraocular-lens-implantation-by-achieving-centration-on-visual-axis
#6
Prakhyat Roop
In existing designs of intraocular lenses (IOLs), optical outcomes are compromised even after perfectly executed surgery. The reason for this is misalignment of optical axis of the eye and its visual axis. There is a need to design an IOL which compensates for this misalignment and hence enhances the optical outcomes of cataract surgery. The present innovation attempts to fulfill this unmet need and optimizes optical outcomes of all IOLs of different optical profiles - spherical, aspheric, toric, and multifocal...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29191662/osseous-and-adipocytic-differentiations-in-the-intraocular-lens-and-vitreous
#7
Frederick A Jakobiec, Lina Ma, Natalie Wolkow, J Douglas Cameron, Amanda C Maltry
PURPOSE: To analyze three unusual mesenchymal transformations within the eye - adipose or osseous metaplasia of the lens and adipose tissue in the vitreous cavity. DESIGN: Observational case series. METHODS: Re-evaluation of clinico-pathologic diagnoses and histopathologic findings in sections stained with hematoxylin and eosin, periodic acid-Schiff (PAS) reaction and Masson trichrome method. RESULTS: The three cases of mesenchymal transformation occurred in microphthalmic eyes with persistent hyperplastic primary vitreous (more recently termed persistent fetal vasculature)...
November 27, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29181318/validity-of-automated-refraction-after-segmented-refractive-multifocal-intraocular-lens-implantation
#8
César Albarrán-Diego, Gonzalo Muñoz, Stephanie Rohrweck, Santiago García-Lázaro, José Ricardo Albero
AIM: To evaluate the clinical utility of automated refraction (AR) and keratometry (KR) compared with subjective or manifest refraction (MR) after cataract or refractive lens exchange surgery with implantation of Lentis Mplus X (Oculentis GmbH) refractive multifocal intraocular lens (IOL). METHODS: Eighty-six eyes implanted with the Lentis Mplus X multifocal IOL were included. MR was performed in all patients followed by three consecutive AR measurements using the Topcon KR-8000 autorefractor...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29138533/comparison-of-visual-outcomes-after-bilateral-implantation-of-a-diffractive-trifocal-intraocular-lens-and-blended-implantation-of-an-extended-depth-of-focus-intraocular-lens-with-a-diffractive-bifocal-intraocular-lens
#9
André Lins de Medeiros, André Gustavo de Araújo Rolim, Antonio Francisco Pimenta Motta, Bruna Vieira Ventura, César Vilar, Mário Augusto Pereira Dias Chaves, Pedro Carlos Carricondo, Wilson Takashi Hida
Purpose: The purpose of this study was to compare the visual outcomes and subjective visual quality between bilateral implantation of a diffractive trifocal intraocular lens, Alcon Acrysof IQ® PanOptix® TNFT00 (group A), and blended implantation of an extended depth of focus lens, J&J Tecnis Symfony® ZXR00 with a diffractive bifocal intraocular lens, J&J Vision Tecnis® ZMB00 (group B). Methods: This prospective, nonrandomized, consecutive, comparative study included the assessment of 40 eyes in 20 patients implanted with multifocal intraocular lens...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29117609/-in-vitro-evaluation-of-the-optical-quality-of-segmental-refractive-multifocal-intraocular-lenses
#10
Timur Mert Yildirim, Gerd Uwe Auffarth, Tamer Tandogan, Stephanie Liebing, Grzegorz Labuz, Chul Young Choi, Ramin Khoramnia
Objectives In customised patient care, it is important to know the optical quality of different intraocular lenses (IOL). In this study, the optical quality of three segmental intraocular lenses were compared. Materials and Methods The LENTIS Comfort LS-313 MF15, LENTIS Mplus X LS-313 MF30 and LENTIS High Add IOL LS-313 MF80 (Oculentis, Berlin, Germany) with a far power of + 21 D were analysed at the optical bench OptiSpheric IOL PRO (Trioptics GmbH, Wedel, Germany). The lenses have almost the same optical design but differ in the power of the near segment...
November 8, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29090052/review-of-static-approaches-to-surgical-correction-of-presbyopia
#11
REVIEW
Mohammad Ali Zare Mehrjerdi, Masomeh Mohebbi, Mehdi Zandian
Presbyopia is the primary cause of reduction in the quality of life of people in their 40s, due to dependence on spectacles. Therefore, presbyopia correction has become an evolving and rapidly progressive field in refractive surgery. There are two primary options for presbyopia correction: the dynamic approach uses the residual accommodative capacity of the eye, and the static approach attempts to enhance the depth of focus of the optical system. The dynamic approach attempts to reverse suspected pathophysiologic changes...
October 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/29044974/quality-of-life-related-variables-measured-for-three-multifocal-diffractive-intraocular-lenses-a-prospective-randomised-clinical-trial
#12
Jorge L Alió, Hakan Kaymak, Detlef Breyer, Beatrice Cochener, Ana B Plaza-Puche
IMPORTANCE: Quality of vision after multifocal intraocular lens (IOLs) implantation in relation to patient satisfaction. It is important to include the evaluation of visual quality and patient satisfaction in clinical practice. BACKGROUND: To evaluate and compare quality of life and patient satisfaction after implantation of three types of diffractive-refractive and apodized-diffractive bifocal and trifocal multifocal IOLs. DESIGN: Comparative, prospective, case series and randomized...
October 16, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28924444/implantation-of-a-multifocal-toric-intraocular-lens-after-radial-keratotomy-and-cross-linking-with-hyperopia-and-astigmatism-residues-a-case-report
#13
Raffaele Nuzzi, Francesca Monteu, Federico Tridico
Radial keratotomy is a refractive surgical technique, widely used in the 80s and early 90s to correct myopia and astigmatism, but now overcome by more recent laser techniques. Important consequences, often in patients with more than 45 years of age, are progressive hyperopic shift and/or an increase in corneal astigmatism, whose main cause seems to be an increase in the curvature radius of the central portion of the cornea. This seems to be due to radial keratotomy incisions - with the consequent need for cross-linking - intraocular pressure, and corneal biomechanical parameters...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28917400/visual-quality-and-performance-comparison-between-2-refractive-rotationally-asymmetric-multifocal-intraocular-lenses
#14
Richard N McNeely, Eric Pazo, Andrew Spence, Olivier Richoz, M Andrew Nesbit, Tara C B Moore, Jonathan E Moore
PURPOSE: To compare the 12-month postoperative quality of vision and visual performance of 2 different refractive rotationally asymmetric multifocal intraocular lenses (IOLs). SETTING: Cathedral Eye Clinic, Belfast, Northern Ireland, United Kingdom. DESIGN: Retrospective case series. METHODS: Refractive lens exchange (RLE) patients were divided into 2 groups. Group A comprised eyes receiving a Lentis Mplus LS-312 MF30 IOL and Group B, eyes receiving a Lenstec SBL-3 IOL...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28894356/refractive-lens-exchange-in-younger-and-older-presbyopes-comparison-of-complication-rates-3-months-clinical-and-patient-reported-outcomes
#15
Steven C Schallhorn, Julie M Schallhorn, Martina Pelouskova, Jan A Venter, Keith A Hettinger, Stephen J Hannan, David Teenan
PURPOSE: To compare refractive and visual outcomes, patient satisfaction, and complication rates among different age categories of patients who underwent refractive lens exchange (RLE). METHODS: A stratified, simple random sample of patients matched on preoperative sphere and cylinder was selected for four age categories: 45-49 years (group A), 50-54 years (group B), 55-59 years (group C), and 60-65 years (group D). Each group contained 320 patients. All patients underwent RLE with a multifocal intraocular lens at least in one eye...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28868034/correction-of-high-astigmatism-after-penetrating-keratoplasty-with-toric-multifocal-intraocular-lens-implantation
#16
Raffaele Nuzzi, Francesca Monteu
After penetrating keratoplasty (PK), high astigmatism is often induced, being frequently about 4-6 dpt. According to the entity and typology of astigmatism, different methods of correction can be used. Selective suture removal, relaxing incisions, wedge resections, compression sutures, photorefractive keratectomy, and laser-assisted in situ keratomileusis can reduce corneal astigmatism and ametropia, but meanwhile they can cause a reduction in the corneal integrity and cause an over- or undercorrection. In case of moderate-to-high regular astigmatisms, the authors propose a toric multifocal intraocular lens (IOL) implantation to preserve the corneal integrity (especially in PK after herpetic corneal leukoma keratitis)...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28832744/posterior-argentinean-flag-like-sign-during-primary-posterior-continuous-curvilinear-capsulorhexis
#17
Frederico França Marques, Daniela Mieira Villano Marques, Fabio Kenji Matsumoto
We describe a unique complication during primary posterior continuous curvilinear capsulorhexis (PCCC) in a patient with megalocornea scheduled for phacoemulsification with toric multifocal intraocular lens (IOL) implantation. After nucleus emulsification and cortex removal, the capsular bag was filled with cohesive viscoelastic in preparation for PCCC to achieve reverse optic capture of the IOL, thus ensuring stability. However, as soon as the initial puncture was made using a 27-gauge needle to start the capsulotomy, the posterior capsule opening extended peripherally from 0º-180º...
June 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28790805/bilateral-implantation-of-3-0-d-multifocal-toric-intraocular-lenses-results-of-a-us-food-and-drug-administration-clinical-trial
#18
Robert Lehmann, Satish Modi, Bret Fisher, Magda Michna, Michael Snyder
PURPOSE: The purpose of this study was to evaluate the clinical outcomes of apodized diffractive +3.0 D multifocal toric intraocular lens (IOL) implantations in subjects with preoperative corneal astigmatism. PATIENTS AND METHODS: This was a prospective cohort study conducted at 21 US sites. The study population consisted of 574 subjects, aged ≥21 years, with preoperative astigmatism 0.75-2.82 D, and potential postoperative visual acuity (VA) ≥0.2 logMAR, undergoing bilateral cataract removal by phacoemulsification...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28780780/intraocular-lens-explantation-after-cataract-surgery-indications-results-and-explantation-techniques
#19
REVIEW
Roberto Fernández-Buenaga, Jorge L Alió
Intraocular lens (IOL) explantation after uneventful cataract surgery is rare but associated with a high risk of complications. In the past few years, the number of published reports about IOL explantation has grown significantly and most of them focus on explantation surgery due to spontaneous late IOL in-the-bag dislocations. This is related to the growth of the pseudophakic population, first as a result of longer lifespans, and second, because the improvements in safety and accuracy of phacoemulsification surgery have led to an increased number of phacorefractive procedures performed in younger patients...
July 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28732609/refractive-outcomes-after-multifocal-intraocular-lens-exchange
#20
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
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