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Multifocal IOL

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https://www.readbyqxmd.com/read/27898449/modern-phacoemulsification-and-intraocular-lens-implantation-refractive-lens-exchange-is-safe-and-effective-in-treating-high-myopia
#1
Bhaskar Srinivasan, Hiu Ying Leung, He Cao, Shu Liu, Lizhen Chen, Alex Hoi Fan
Improved efficacy, predictability, and safety of modern phacoemulsification have resulted in cataract surgery being considered as a refractive procedure. Refractive lens exchange by definition is a surgery aimed at replacing the cataractous or clear crystalline lens with an intraocular lens (IOL) in cases of high ametropia. The excellent intraocular optics of this procedure provide a better visual outcome as compared with laser refractive surgery in high myopia. With advances in technology and IOL formulas, the predictability of refractive outcome after cataract surgery in high myopes has improved...
November 2016: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/27828894/rotationally-asymmetric-multifocal-intraocular-lenses-preoperative-considerations-and-postoperative-outcomes
#2
Jonathan E Moore, Richard N McNeely, Eric E Pazo, Tara C B Moore
PURPOSE OF REVIEW: The manuscript presents a review of recently published studies reporting objective and subjective outcomes and preoperative considerations of asymmetrical multifocal intraocular lenses (IOLs). RECENT FINDINGS: Current publications suggest that asymmetrical multifocal IOLs provide good, distance, intermediate and near vision for cataract and clear lens extraction patients. The contrast sensitivity achieved is similar to monofocal IOLs. Photopic phenomenon such as glare and halos has been reduced through the use of these IOLs leading to better patient satisfaction...
January 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/27824377/visual-performance-in-the-long-term-with-secondary-add-on-versus-primary-capsular-bag-multifocal-intraocular-lenses
#3
Jens Schrecker, Achim Langenbucher
PURPOSE: To compare the long-term results of a secondary sulcus-placed, multifocal add-on intraocular lens (IOL) with those of a multifocal IOL implanted in the capsular bag. METHODS: In this prospective clinical trial, 30 pseudophakic eyes were treated with a multifocal add-on IOL and 30 cataractous eyes with a standard multifocal IOL. The main outcome measures comprised manifest refraction, visual acuity, defocus curves, and contrast sensitivity. Patients who had bilateral implantation of the same lens type were asked to complete a questionnaire...
November 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27792408/the-quest-for-spectacle-independence-a-comparison-of-multifocal-intraocular-lens-implants-and-pseudophakic-monovision-for-patients-with-presbyopia
#4
Steven Greenstein, Roberto Pineda
We performed a literature review comparing multifocal intraocular lens (IOL) implantation with pseudophakic monovision to treat presbyopia. Multifocal IOLs utilize refractive or diffractive principles to treat both distance and near vision, with a single lens implant. Monovision uses traditional monofocal lens implants to treat the dominant eye for emmotropia, and the non-dominant eye for myopia. This planned anisometropia is designed to enhance intermediate or near vision. Generally, distance vision was similar with both types of lens implantation, near vision was better with multifocal IOLs, and intermediate vision appeared to be better in the monovision group...
October 28, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27785598/pseudo-accommodation-in-non-amblyopic-children-after-bilateral-cataract-surgery-and-implantation-with-a-monofocal-intraocular-lens-prevalence-and-possible-mechanisms
#5
Charlotte Dénier, Pascal Dureau, Catherine Edelson, Amandine Barjol, Georges Caputo
BACKGROUND: Some pseudophakic patients implanted with a monofocal intraocular lens (IOL) have good near visual acuity (VA) with their distance correction. The objective was to evaluate the prevalence of pseudo-accommodation in children after bilateral cataract surgery, without amblyopia, and to define its mechanisms. METHODS: Observational study that took place in a pediatric ophthalmology department, Paris, France. A total of 68 eyes were included, 40 from 23 children and 28 from 14 adults, with a corrected distance VA above 20/25 and a normal near VA (20/25) with +3 addition...
October 26, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27776082/effect-of-decentration-on-the-optical-quality-of-two-intraocular-lenses
#6
Carolina Ortiz, José J Esteve-Taboada, Lurdes Belda-Salmerón, Daniel Monsálvez-Romín, Alberto Domínguez-Vicent
PURPOSE: To analyze the effect of decentration on the optical quality of two diffractive-refractive intraocular lenses, a bifocal and a trifocal, when displaced laterally (horizontal direction) from the center. METHODS: The AT LISA 809M IOL (+3.75 D add) with two main foci and the AT LISA tri 839MP intraocular lens with three main foci (Carl Zeiss Meditec AG, Jena, Germany) were analyzed. The optical quality of the intraocular lenses was measured with the PMTF (power and modulation transfer function [MTF] measurement for refractive and diffractive intraocular lenses) optical bench (Lambda-X, Nivelles, Belgium)...
December 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27697245/differences-in-visual-quality-with-orientation-of-a-rotationally-asymmetric-bifocal-intraocular-lens-design
#7
Aiswaryah Radhakrishnan, Carlos Dorronsoro, Susana Marcos
PURPOSE: To evaluate visual and perceptual performance for different orientations of a rotationally asymmetric bifocal intraocular lens (IOL) (M-Plus) simulated optically using a simultaneous vision simulator. SETTING: Instituto de Optica, Madrid, Spain. DESIGN: Prospective observational study. METHODS: Perceptual quality and decimal high-contrast visual acuity (HCVA) was measured under cycloplegia for 8 orientations of the asymmetric bifocal IOL phase pattern at far, intermediate, and near distances simulated with a simultaneous vision simulator using face images and tumbling E targets...
September 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27697243/intraocular-lens-exchange-surgery-at-a-tertiary-referral-center-indications-complications-and-visual-outcomes
#8
Emma C Davies, Roberto Pineda
PURPOSE: To identify indications for and visual outcomes of intraocular lens (IOL) exchange to understand recent changes in this surgery. SETTING: Academic tertiary referral center. DESIGN: Retrospective case series. METHODS: Cases were identified by searching the institution's electronic medical records from January 2010 to September 2015 for patients treated by 1 staff physician with the American Medical Association's Current Procedural Terminology code for IOL exchange...
September 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27646332/comparison-of-visual-function-after-implantation-of-inferior-sector-shaped-intraocular-lenses-low-add-1-5-d-vs-3-0-d
#9
Aeri Yoo, Joo Young Kwag, In Seok Song, Myoung Joon Kim, Hyerin Jeong, Jae Yong Kim, Hungwon Tchah
PURPOSE: To compare visual function after implantation of multifocal Lentis comfort LS-313 MF 15 (group 1) or Lentis M plus LS-313 MF 30 (group 2) intraocular lenses (IOLs). METHODS: Patients between 49 and 76 years of age who received monocular cataract surgery with multifocal IOL implantation were analyzed. Patients were evaluated preoperatively and for 5 months postoperatively for distance, intermediate, and near visual acuities, and static photopic and mesopic contrast sensitivity...
September 7, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/27624172/ocular-residual-astigmatism-ora-in-pre-cataract-eyes-prior-to-and-after-refractive-lens-exchange
#10
Toam Katz, Johannes Steinberg, Vasyl Druchkiv, Stephan J Linke, Andreas Frings
The purpose of this study was to analyze ocular residual astigmatism (ORA) before and after implantation of two different optical types of non-toric multifocal intraocular lenses (MIOL) in pre-cataract patients. This retrospective cohort study analyzed 72 eyes from 72 consecutive patients after MIOL surgery . To investigate magnitude and axis of astigmatic changes, the concepts of true corneal astigmatism and Alpins vector method were applied. There were no statistically significant between-group differences prior to surgery...
September 13, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27561005/visual-outcome-and-patient-satisfaction-of-low-power-added-multifocal-intraocular-lens
#11
Kyeong Hwan Kim, Wan Soo Kim
PURPOSE: To evaluate visual outcome and patient satisfaction following implantation of multifocal intraocular lenses (IOLs) with a +1.5 diopters (D) addition compared with monofocal IOLs. METHODS: This prospective, nonrandomized, comparative case series involved 48 eyes (24 patients) who underwent cataract surgery with implantation of low-power-added multifocal IOLs (LS313-MF15; multifocal group) and 48 eyes (24 patients) with conventional monofocal IOLs (CTS204; monofocal group)...
August 24, 2016: Eye & Contact Lens
https://www.readbyqxmd.com/read/27560199/-special-intraocular-lenses-in-refractive-lens-surgery
#12
A Liekfeld, D Befurt
PURPOSE: Many different models and types of special intraocular lenses (IOL) are now available for refractive lens surgery. In particular, toric and multifocal IOL need specific conditions to achieve satisfactory results. For multifocal IOL, many models with different optical principles are available. For optimal individual patient-centred care, it is necessary to consider several different options. With special refractive lenses, the principle objective for the patients is to become less dependent on glasses...
August 2016: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27531287/threshold-limit-of-postoperative-astigmatism-for-patient-satisfaction-after-refractive-lens-exchange-and-multifocal-intraocular-lens-implantation
#13
Richard N McNeely, Eric Pazo, Zack Millar, Olivier Richoz, Andrew Nesbit, Tara C B Moore, Jonathan E Moore
PURPOSE: To determine the degree of tolerance toward different magnitudes of residual refractive astigmatism and corneal astigmatism and the angles of corneal astigmatism after implantation of an asymmetric multifocal intraocular lens (IOL). SETTING: Cathedral Eye Clinic, Belfast, United Kingdom. DESIGN: Retrospective comparative case series. METHODS: The study enrolled patients having refractive lens exchange and implantation of a Lentis Mplus LS-312 MF30 IOL...
August 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27513232/clinical-outcomes-and-optical-performance-of-four-differentmultifocal-intraocular-lenses
#14
Başak Bostanci Ceran, Tamer Takmaz, İzzet Can, Gülizar Demirok, Betül Seher Uysal
BACKGROUND/AIM: The purpose of the present study was to evaluate clinical outcomes and optical performance of 4 different multifocal intraocular lenses (IOLs). MATERIALS AND METHODS: Ninety eyes of 51 patients who received Reviol MFM 611, Reviol MFM 625, Acri.LISA, and ReSTOR SN6AD3 multifocal IOLs after cataract surgery were retrospectively evaluated. The patients were similar in terms of age, sex, cataract hardness and axial length. The mean outcome measures were uncorrected and corrected distance visual acuity (UDVA, CDVA), distance-corrected intermediate and near visual acuity (DCIVA, DCNVA), intra or postoperative complications, and contrast sensitivity (CS) results under mesopic conditions...
2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/27505313/clinical-evaluation-of-reading-performance-using-the-salzburg-reading-desk-with-a-refractive-rotational-asymmetric-multifocal-intraocular-lens
#15
Katharina Linz, Mary S A Attia, Ramin Khoramnia, Tamer Tandogan, Florian T Kretz, Gerd Uwe Auffarth
PURPOSE: To evaluate functional results and reading performance using the Salzburg Reading Desk after implantation of a sector-shaped near-embedded, rotational asymmetrical multifocal intraocular lens (IOL) and a multifocal toric IOL with a +3.00 diopter (D) near addition. METHODS: In a prospective study, the LentisMplus and Mplus toric IOLs (Oculentis GmbH, Berlin, Germany) were implanted in 34 eyes of 18 patients at the University Eye Hospital of Heidelberg. Uncorrected and corrected distance visual acuity (UDVA, CDVA) and uncorrected and corrected near visual acuity (UNVA, CNVA) were evaluated using standardized visual acuity charts (ETDRS)...
August 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27463628/comparative-study-on-optical-performance-and-visual-outcomes-between-two-diffractive-multifocal-lenses-amo-tecnis-%C3%A2-zmb00-and-acrysof-%C3%A2-iq-restor-%C3%A2-multifocal-iol-sn6ad1
#16
Mario Augusto Pereira Dias Chaves, Wilson Takashi Hida, Patrick Frenzel Tzeliks, Michelle Rodrigues Gonçalves, Fernando de Bortoli Nogueira, Celso Takashi Nakano, Antonio Francisco Pimenta Motta, André Gustavo Rolim de Araújo, Milton Ruiz Alves
PURPOSE: To compare the optical performance and visual outcomes between two diffractive multifocal lenses: AMO Tecnis® ZMB00 and AcrySof® ReSTOR® SN6AD1. METHODS: This prospective, non-randomized comparative study included the assessment of 74 eyes in 37 patients referred for cataract surgery and candidates for multifocal intraocular lens implants. Exclusion criteria included existence of any other eye disease, previous eye surgery, high axial myopia, preoperative corneal astigmatism of >1...
May 2016: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/27413495/is-the-capsular-bag-perimeter-round-or-elliptical
#17
Alfredo Amigó, Sergio Bonaque-González
PURPOSE: To report findings that could suggest an elliptical shape of the capsular bag. METHODS: Five eyes of three patients with axial length greater than 24 mm underwent phacoemulsification cataract surgery with plate-haptic multifocal toric intraocular lens (IOL) implantation oriented in the vertical meridian. RESULTS: In all cases, correct orientation of the IOLs was verified 30 minutes after surgery. After 24 hours, all eyes demonstrated unwanted rotation of the IOLs ranging from 15 to 45 degrees...
April 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27400082/optimized-visual-outcome-after-asymmetrical-multifocal-iol-rotation
#18
Eric E Pazo, Olivier Richoz, Richard McNeely, Zachary A Millar, Tara C B Moore, Jonathan E Moore
PURPOSE: To report improved visual outcome after rotation of an asymmetrical multifocal intraocular lens (IOL). METHODS: Case report. RESULTS: A 58-year-old patient underwent bilateral phacoemulsification with asymmetrical multifocal IOL implantation. Postoperative uncorrected distance visual acuity (UDVA) was 0.0 logMAR (20/20 Snellen) and uncorrected near visual acuity was 0.0 logMAR (20/20 Snellen) in both eyes. Quality of vision questionnaire scores for day and night were 5 and 7, respectively...
July 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27400075/visual-performance-and-rotational-stability-of-a-multifocal-toric-intraocular-lens
#19
Eduardo F Marques, Tiago B Ferreira, Pedro Simões
PURPOSE: To evaluate the visual results, refractive predictability, rotational stability, and spectacle independence of patients who had cataract surgery with implantation of a diffractive multifocal toric intraocular lens (IOL) (Tecnis Multifocal Toric ZMT 150-400; Abbott Medical Optics, Santa Ana, CA). METHODS: This prospective study included 60 eyes of 30 patients with cataract and regular corneal astigmatism who had phacoemulsification with bilateral implantation of a Tecnis Multifocal Toric IOL...
July 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27385256/-explantation-of-multifocal-intraoular-lenses-frequency-causes-and-course
#20
O Kermani, G Gerten
PURPOSE: Multifocal intraocular lenses (MF-IOL) are implanted for visual rehabilitation after cataract operation and refractive lens exchange (RLE). In this retrospective study, the frequency, causes and course of MF-IOL explantation are investigated. SETTING: Private eye clinic, Cologne, Germany. METHODS: Between 2009 and 2014, a total of 1438 eyes were supplied with a hydrophobic, aspherical, diffractive, multifocal posterior chamber lens (PCL) of type: Acrysof ReSTOR and ReSTOR toric, with near additions of + 2...
August 2016: Klinische Monatsblätter Für Augenheilkunde
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