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Intraocular lenses

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https://www.readbyqxmd.com/read/28647461/toric-intraocular-lenses-versus-peripheral-corneal-relaxing-incisions-for-astigmatism-between-0-75-2-5-dioptres-during-cataract-surgery
#1
Mayank A Nanavaty, Kaveeta K Bedi, Shahnaz Ali, Mathew Holmes, Saul Rajak
PURPOSE: To compare the outcomes following toric intraocular lens (tIOL) or peripheral corneal relaxing incisions (PCRI) for keratometric astigmatism (KA) between 0.75-2.5D during cataract surgery. DESIGN: Prospective, randomized clinical trial. METHODS: 80 eyes (80 participants) received either tIOL or PCRI and were assessed preoperatively, 1,3,6 and 12 months postoperatively. PRIMARY OUTCOME MEASURE: Un-corrected (UCDVA) and best-corrected distance LogMAR visual acuity (BCDVA) at 12 months...
June 21, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28639447/-clinical-results-of-the-implantation-of-two-types-of-multifocal-rotational-asymmetric-intraocular-lenses
#2
V Veliká, L Hejsek, F Raiskup
PURPOSE: The aim of the study was evaluation and comparison of clinical results of two types of rotationally asymmetric multifocal intraocular lens (LENTIS Mplus and LENTIS MplusX). MATERIAL AND METHODS: The study included 247 eyes of 124 patients aged 25 - 76 years (mean, 58 years). After phacoemulsification multifocal intraocular lens LENTIS Mplus (group A, n = 141) or LENTIS MplusX (group B, n = 106) was implanted. Patients were divided into two groups according to the type of intraocular lens...
2017: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/28634928/comparison-of-formulas-and-methods-for-high-myopia-patients-requiring-intraocular-lens-powers-less-than-six-diopters
#3
Harry S Geggel
PURPOSE: To determine the best method to minimize postoperative hyperopia and achieve mild myopia in patients requiring low-powered (<6.00 D) MN60MA intraocular lenses (IOLs). METHODS: This retrospective non-comparative case series consists of 32 eyes (20 patients). Postoperative spherical equivalent (SE) refractions were compared using four methods: standard formulas with varying target refractions (Haigis -1.00 D, Hoffer Q -1.75 D, Holladay 1 -1.50 D and SRK/T -1...
June 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28622271/bubble-wiping-technique-for-clearing-the-condensation-on-intraocular-lenses
#4
Kentaro Yuda, Takamitsu Nagashima, Toshiki Shimizu, Kenji Yuda, Takahiko Hayashi
No abstract text is available yet for this article.
June 14, 2017: Retina
https://www.readbyqxmd.com/read/28604980/sealed-implantation-of-foldable-intraocular-lenses
#5
Dharmendra Nath, Eytan Z Blumenthal, Mohita Sharma, Michael Mimouni
PURPOSE: To evaluate the safety and efficacy of sealed implantation, a simple technique for implanting foldable intraocular lenses (IOLs). METHODS: This was a retrospective study including consecutive patients who underwent phacoemulsification cataract using the sealed implantation technique. Sealed implantation is a technique in which a single-piece, foldable IOL is implanted without an intraocular ophthalmic viscosurgical device (OVD) or continuous infusion (hydroimplantation) of balanced saline solution (BSS)...
June 10, 2017: European Journal of Ophthalmology
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
#6
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/28602325/pigment-dispersion-syndrome-and%C3%A2-pigmentary-glaucoma-after-secondary-sulcus-transscleral-fixation-of-single-piece-foldable%C3%A2-posterior-chamber-intraocular-lenses%C3%A2-in%C3%A2-chinese-aphakic-patients
#7
Nianting Tong, Fuling Liu, Ting Zhang, Liangyu Wang, Zhanyu Zhou, Huimin Gong, Fuxiang Yuan
PURPOSE: To describe secondary pigment dispersion syndrome (PDS) and pigmentary glaucoma after secondary sulcus transscleral fixation of 1-piece hydrophobic acrylic foldable posterior chamber intraocular lenses (PC IOLs) in aphakic patients in a Chinese population. SETTING: Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao, China. DESIGN: Retrospective case series. METHODS: This chart review included eyes that had secondary sulcus transscleral fixation of a 1-piece hydrophobic acrylic foldable PC IOL (Tecnis ZCB00) between March 2011 and March 2014...
May 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28578676/effects-of-optical-diameter-of-intraocular-lenses-with-intrascleral-fixation-on-higher-order-aberrations
#8
Daisuke Kunita, Makoto Inoue, Yuji Itoh, Naoko Matsuki, Toshiyuki Nagamoto, Akito Hirakata
BACKGROUND: Intrascleral fixation of an intraocular lens (IOL) is used in eyes that lack capsular support. The aim of the study is to determine whether a larger optical diameter IOL will decrease the higher-order aberrations (HOAs) when the haptics are extended for intrascleral fixation than a smaller diameter IOL. METHODS: Three-piece acrylic IOLs with 6.0 mm optics (X-60, VA-60BBR) and 7.0 mm optics (X-70, VA-70 AD) were fixed at lengths of 13, 14, 15, 16, or 17 mm...
June 2, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28574135/patient-centered-and-visual-quality-outcomes-of-premium-cataract-surgery-a-systematic-review
#9
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/28560848/advanced-silicon-chemistry-in-australia-forming-strong-links-with-asia
#10
Stephen Clarke, Kim-Anh Thi Nguyen, Elda Markovic, Neil Trout, Milena Ginic-Markovic, Janis Matisons, Michael Owen, Daniel Graiver, Agus Hadi Santosa Wargadipura, Sudirman Habibie, Dwi Gustiono, Bok Ryul Yoo, Joe Mifsud
This paper details Australian commercial and academic silicon research. Areas of interest include silicon metal, polysiloxane polymers, copolymers, cyclics, emulsions, microemulsions, silanes, silane coupling agents, sol-gel chemistry and water-treatments, porous silicon, polysiloxane degradation, silicon hydrogel contact lenses, silanolate synthesis, siloxane interfacial polymerisation, hydrosilylation, polysiloxane electrolytes for lithium ion batteries, silanes for PBX materials, octafunctionalized polyhedral oligomeric silsesquioxanes (POSS), POSS hybrids, sol-gel hydrogenation catalysts, silane modification of silica, sol-gel energy storage, silicate grout stabilisation, GeoPolymer concretes, aerogel insulating foams, "Phaco-Ersatz" Accommodating Gel-Intraocular Lens technologies...
June 1, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28557589/comparison-of-intraocular-lens-position-change-following-two-different-implantation-techniques
#11
Serdar Ozates, Mustafa Koc, Mehmet Murat Uzel, Pelin Yilmazbas
PURPOSE: To assess the decentration and tilt of one-piece foldable acrylic intraocular lens following two different intraocular lens implantation techniques. METHODS: This prospective, randomized clinical study conducted on 102 eyes of 91 patients who underwent cataract surgery between September 2015 and May 2016 at Ulucanlar Eye Training and Research Hospital, Ankara, Turkey. Intraocular lens implantations were performed with the help of an ophthalmic viscosurgical device or a hydroimplantation technique during surgery...
May 30, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28546303/intraocular-minocycline-for-the-treatment-of-ocular-pythiosis
#12
Fátima Ros Castellar, Carmen Sobrino Jiménez, Almudena del Hierro Zarzuelo, Alicia Herrero Ambrosio, Ana Boto de Los Bueis
PURPOSE: A case of ocular pythiosis successfully treated with surgery and intraocular and oral minocycline is reported. SUMMARY: A 30-year-old man who wore corrective contact lenses traveled to Brazil and Colombia where he swam in salt and fresh waters while wearing contact lenses. He sought treatment at an emergency department after 2 weeks of suffering with a painful corneal ulcer, redness, and loss of vision in his right eye that had been treated at other centers with ophthalmic moxifloxacin for 10 days and with fortified topical antibiotics (amikacin and vancomycin) for 2 days...
June 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28544770/screening-genetics-risk-factors-and-treatment-of-neonatal-cataracts
#13
REVIEW
Jinyu Li, Chun-Hong Xia, Eddie Wang, Ke Yao, Xiaohua Gong
Neonatal cataracts remain the most common cause of visual loss in children worldwide and have diverse, often unknown, etiologies. This review summarizes current knowledge about the detection, treatment, genetics, risk factors, and molecular mechanisms of congenital cataracts. We emphasize significant progress and topics requiring further study in both clinical cataract therapy and basic lens research. Advances in genetic screening and surgical technologies have improved the diagnosis, management, and visual outcomes of affected children...
June 1, 2017: Birth defects research
https://www.readbyqxmd.com/read/28544131/sclerocorneal-graft-and-sequential-removal-of-melted-cornea-after-severe-corneal-burn-with-perforation
#14
Anja Viestenz, Berthold Seitz, Hans-Gert Struck, Arne Viestenz
INTRODUCTION: Corneal burn grade IV usually leads to blindness. Several different surgical techniques remain challenging owing to the extensive tissue damage. Here, we introduce a novel technique with a 15 mm corneoscleral and limbal homologous graft combined with sequential autologous corneal removal ab interno, with a vitrectomy probe to save the anterior chamber angle. In vivo anatomy with optical coherence tomography is the surgical key. METHOD: A large 15 mm sclerocorneal graft is sutured on top of the remainder of the destroyed cornea and sclera after removal of the epithelium and conjunctiva, with anterior synechiolysis if necessary, peripheral iridectomy and conjunctivoplasty...
May 22, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28540007/anterior-chamber-depth-change-following-cataract-surgery-in-pseudoexfoliation-syndrome-a-preliminary-study
#15
Mohammad Reza Fallah Tafti, Hossein Abdollah Beiki, S Farzad Mohammadi, Golshan Latifi, Elham Ashrafi, Zahra Fallah Tafti
PURPOSE: To assess the pseudophakic anterior chamber depth (PP-ACD) or effective lens position (ELP) change after cataract surgery in patients with pseudoexfoliation syndrome (PEX). METHODS: Consecutive eyes with PEX and cataract underwent standard phacoemulsification and were implanted with single-piece acrylic posterior chamber intraocular lenses (IOLs). Eyes with severe PEX and with axial length (AL) greater than 24 mm or less than 22 mm were not included. Eyes with capsular complication or unstable bags that needed capsular tension ring insertion were excluded...
April 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28532942/robot-assisted-simulated-cataract-surgery
#16
Tristan Bourcier, Jimmy Chammas, Pierre-Henri Becmeur, Arnaud Sauer, David Gaucher, Philippe Liverneaux, Jacques Marescaux, Didier Mutter
PURPOSE: To evaluate the feasibility of robot-assisted simulated cataract surgery. SETTING: Institut de Recherche Contre les Cancers de l'Appareil Digestif, European Institute of Telesurgery, and Strasbourg University Hospital, Strasbourg, France. DESIGN: Experimental study. METHODS: Cataract surgeries were performed on a Kitaro cataract wet-lab training system simultaneously using the Da Vinci Xi robotic surgical system and the Whitestar Signature phacoemulsification system...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532941/cataract-surgery-practices-in-the-united-states-veterans-health-administration
#17
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/28531880/controlled-release-of-moxifloxacin-from-intraocular-lenses-modified-by-ar-plasma-assisted-grafting-with-amps-or-sbma-an-in-vitro-study
#18
A F R Pimenta, A P Vieira, R Colaço, B Saramago, M H Gil, P Coimbra, P Alves, D Bozukova, T R Correia, I J Correia, A J Guiomar, A P Serro
Intraocular lenses (IOLs) present an alternative for extended, local drug delivery in the prevention of post-operative acute endophthalmitis. In the present work, we modified the surface of a hydrophilic acrylic material, used for manufacturing of IOLs, through plasma-assisted grafting copolymerization of 2-acrylamido-2-methylpropane sulfonic acid (AMPS) or [2-(methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium hydroxide (SBMA), with the aim of achieving a controlled and effective drug release. The material was loaded with moxifloxacin (MFX), a commonly used antibiotic for endophthalmitis prevention...
May 1, 2017: Colloids and Surfaces. B, Biointerfaces
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
#19
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/28514944/short-term-visual-outcomes-of-a-new-trifocal-intraocular-lens
#20
Jorge L García-Pérez, Juan Gros-Otero, Celia Sánchez-Ramos, Vanesa Blázquez, Inés Contreras
BACKGROUND: Today, patients often expect to achieve spectacle independance after cataract surgery. New trifocal intraocular lenses have been developed to try and fullfill this demand. The purpose of this study is to report the short-term visual outcomes of a new trifocal intraocular lens (AcrySof PanOptix™). METHODS: Consecutive adult patients undergoing cataract surgery with bilateral implantation of the study intraocular lens in a private practice clinic were considered for inclusion...
May 17, 2017: BMC Ophthalmology
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