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Intraocular lenses

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https://www.readbyqxmd.com/read/28106237/reading-and-quality-of-life-differences-between-tecnis-zcb00-monofocal-and-tecnis-zmb00-multifocal-intraocular-lenses
#1
Francisco de Asís Bartol-Puyal, Paula Talavero, Galadriel Giménez, Irene Altemir, José M Larrosa, Vicente Polo, Luis E Pablo
PURPOSE: To compare the NEI-RQL-42 quality of life questionnaire and the Radner Vissum reading test outcomes after bilateral cataract surgery with implantation of Tecnis ZCB00 monofocal and Tecnis ZMB00 multifocal intraocular lens (IOL). METHODS: Forty-two eyes of 21 patients who had phacoemulsification were implanted with Tecnis ZCB00 IOL and 82 eyes of 41 patients were implanted with Tecnis ZMB00 IOL. They answered the NEI-RQL-42 questionnaire before cataract surgery and 3 months after it...
January 2, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28062928/evaluation-of-paraxial-forward-scattering-from-intraocular-lens-with-increased-surface-light-scattering-using-goniophotometry-and-hartmann-shack-wavefront-aberrometry
#2
Keiichiro Minami, Yoko Maruyama, Toshifumi Mihashi, Kazunori Miyata, Tetsuro Oshika
PURPOSE: To evaluate the influence of increases in light scattering on intraocular lens (IOL) surfaces on paraxial forward scattering using goniophotometry and Hartmann-Shack wavefront aberrometry. METHODS: Surface light scattering was reproduced experimentally by acceleratedly aging 4 intraocular lenses by 0, 3, 5, and 10 years each. Light scattering from both IOL surfaces was measured using Scheimpflug photography. The paraxial forward scattering from the aged IOLs was measured using a goniophotometer with a halogen light source (wavelength: 350-850 nm) and telecentric optics, and changes in the maximum intensity and full width at 10% of maximum intensity (FW10%) were evaluated...
January 6, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28058149/surgical-indications-and-clinical-results-of-patients-with-exchanged-intraocular-lenses-in-a-tertiary-eye-hospital
#3
Sevim Kavuncu, Aslıhan Esra Omay, Mehmet Hakan Tırhış, Pelin Yılmazbaş
OBJECTIVES: To evaluate the demographics, surgical indications and clinical results of patients with repositioned or explanted intraocular lens (IOL) in a tertiary referral eye hospital. MATERIALS AND METHODS: Forty-eight eyes of 48 patients that underwent surgery to exchange or reposition the IOL at Ulucanlar Eye Training and Research Hospital between 2009 and 2013 were included in the study. Medical records of patients were evaluated for surgical indications, time elapsed since initial operation, preoperative and postoperative best corrected distance visual acuity and the presence of ocular disease...
August 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28053527/fabrication-of-nonfouling-bactericidal-and-bacteria-corpse-release-multifunctional-surface-through-surface-initiated-raft-polymerization
#4
Bailiang Wang, Zi Ye, Yihong Tang, Yuemei Han, Quankui Lin, Huihua Liu, Hao Chen, Kaihui Nan
Infections after surgery or endophthalmitis are potentially blinding complications caused by bacterial adhesion and subsequent biofilm formation on the intraocular lens. Neither single-function anti-adhesion surface nor contacting killing surface can exhibit ideal antibacterial function. In this work, a novel (2-(dimethylamino)-ethyl methacrylate-co-2-methacryloyloxyethyl phosphorylcholine) (p (DMAEMA-co-MPC)) brush was synthesized by "grafting from" method through reversible-addition fragmentation chain transfer polymerization...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28042714/current-status-of-iol-implantation-in-pediatric-eyes-an-update
#5
Abhay R Vasavada, Vaishali Vasavada
Pediatric cataracts are a huge problem worldwide, and with improving techniques and technology, the surgical treatment and postoperative visual rehabilitation are improving. Despite intraocular lenses(IOLs) being the standard of care for adult cataract surgery, this issue is still somewhat controversial, particularly in young children and infants due to lack of unequivocal evidence. This review therefore summarises the findings from recent studies on the aspect of IOL implantation in pediatric eyes. Areas covered: An extensive literature search was undertaken for published articles on congenital/developmental pediatric cataracts, and IOL implantation, where literature pertinent to traumatic and subluxated cataracts was not included in the review...
January 2, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28013392/the-clinical-depth-of-field-achievable-with-trifocal-and-monofocal-intraocular-lenses-theoretical-considerations-and-proof-of-concept-clinical-results
#6
Ante Barišić, Sudi Patel, Nikica Gabric, Claes G Feinbaum
BACKGROUND: To estimate the depth of field (DOF) achievable with multi-and monofocal intraocular lenses (IOLs) and compare with actual measurements of DOF in cases implanted with a trifocal IOL and biconvex monofocal IOL METHODS: I) Computer simulations were produced to describe the relationship between DOF, pupil size, preoperative ametropia, and retinal blur tolerance limit for a model eye implanted with either multi- or monofocal IOLs. II) Monocular DOF and pupil size were measured under distance viewing conditions between 3 and 6 months postoperative following uneventful cataract surgery...
December 24, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28007103/comparison-of-the-visual-performance-and-quality-of-vision-with-combined-symmetrical-inferonasal-near-addition-versus-inferonasal-and-superotemporal-placement-of-rotationally-asymmetric-refractive-multifocal-intraocular-lenses
#7
Richard N McNeely, Eric Pazo, Andrew Spence, Olivier Richoz, M Andrew Nesbit, Tara C B Moore, Jonathan E Moore
PURPOSE: To compare the postoperative quality of vision between different bilateral placements of near segments of rotationally asymmetric refractive multifocal intraocular lenses (IOLs) and to determine how this affects visual performance. SETTING: Cathedral Eye Clinic, Belfast, Northern Ireland, United Kingdom. DESIGN: Retrospective comparative case series. METHODS: The study enrolled consecutive patients having refractive lens exchange and implantation of rotationally asymmetric multifocal IOLs...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28007102/suppression-of-surface-light-scattering-in-intraocular-lenses-manufactured-using-an-improved-production-process
#8
Kazunori Miyata, Miyuki Ogata, Masato Honbo, Yosai Mori, Keiichiro Minami
PURPOSE: To clinically examine the suppression of surface light scattering after implantation of an intraocular lens (IOL) manufactured using an improved production process. SETTING: Miyata Eye Hospital, Miyazaki, Japan. DESIGN: Comparative case series. METHODS: The prospective case series comprised eyes receiving hydrophobic acrylic Acrysof SN60WF IOLs that were manufactured before and after the improvement. Light scattering on the anterior IOL surface was examined up to 3 years postoperatively using an EAS-1000 anterior segment analyzer...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28007100/iris-fixation-of-posterior-chamber-intraocular-lenses
#9
Alireza Yazdani-Abyaneh, Ali R Djalilian, Masoud Aghsaei Fard
: We introduce a technique for iris fixation of a posterior chamber intraocular lens (IOL) in which most of the procedure is done outside the eye. This minimizes intraocular manipulation, maximizes corneal endothelial preservation, and avoids the risk for IOL drop into the vitreous cavity intraoperatively. The IOL is fixated to the most peripheral part of the iris, resulting in a rounder pupil. Sutures are placed at exact positions on the haptics, resulting in a well-centered IOL. FINANCIAL DISCLOSURE: None of the authors has a financial or proprietary interest in any material or method mentioned...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28002107/astigmatism-correction-with-toric-intraocular-lenses-in-descemet-membrane-endothelial-keratoplasty-triple-procedures
#10
Hideaki Yokogawa, P James Sanchez, Zachary M Mayko, Michael D Straiko, Mark A Terry
PURPOSE: To report the clinical efficacy of astigmatism correction with toric intraocular lenses (IOLs) in patients undergoing the Descemet membrane endothelial keratoplasty (DMEK) triple procedure and to evaluate the accuracy of the correction. METHODS: Fifteen eyes of 10 patients who received cataract extraction, toric IOL placement, and DMEK surgery for Fuchs corneal dystrophy and cataracts were evaluated. The cylinder power of toric IOLs was determined by an online toric calculator with keratoscopy measurements obtained using Scheimpflug corneal imaging...
December 20, 2016: Cornea
https://www.readbyqxmd.com/read/28001465/posterior-capsule-opacification-and-nd-yag-rates-with-two-acrylic-intraocular-lenses-after-age-related-cataract-treatment-three-year-results
#11
Miro Kalauz, Sanja Masnec, Rajko Kordić, Tomislav Kuzman, Sania Vidas, Ivan Škegro, Sonja Jandroković, Sanja Perić
OBJECTIVE: To compare the incidence and intensity of posterior capsule opacification (PCO) between two intraocular lenses (IOLs) over three years. METHODS: Eighty-three patients underwent cataract surgery with implantation of Acreos Adapt AO or Acrysof SA60AT. PCO values were assessed using a photographic image analysis system (EPCO 2000) and the amount of PCO at the slit lamp. RESULTS: Mean PCO score was 2.78 ± 1.55 for the Acreos Adapt AO and 2...
December 21, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27994811/phakic-intraocular-lenses-and-their-special-indications
#12
REVIEW
Roberto Pineda, Tulika Chauhan
Phakic intraocular lenses revolutionize refractive surgery and continue to serve as an excellent option for vision correction in patients who are not ideal candidates for laser vision correction. This article will review special indications of phakic intraocular lenses in the clinical practice.
October 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27984546/scleral-suture-fixation-technique-for-one-piece-acrylic-intraocular-lens
#13
Ella H Leung, Amir Mohsenin, William E Smiddy
PURPOSE: To apply a previously published scleral fixation technique to secure one-piece acrylic intraocular lenses (IOLs) to the sclera. METHODS: Retrospective, consecutive, noncomparative case series. RESULTS: All patients (16 eyes of 15 patients) who underwent scleral fixation of 1-piece acrylic IOLs using the loop method from 2014 to 2016 were included. The mean follow-up was 8.1 months. Repositioning of dislocated 1-piece acrylic IOLs was performed in 8 eyes, a primary implantation in 5 eyes, and IOL exchange in 3 eyes...
December 14, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27968869/cataract-screening-in-a-rural-area-of-southern-china-a-retrospective-cohort-study
#14
Xuhua Tan, Haotian Lin, YuTing Li, Li Huang, Yi Zhu, Yao Ni, WenYong Huang, Yizhi Liu
BACKGROUND: Cataract is the leading cause of blindness and impaired vision worldwide; however, cataract surgery rate in China (1300 cases per million people per year) is lower than in Europe, America, and India (greater than 5000 cases per million people per year). In the past 10 years, a public health screening system has been established for early diagnosis and intervention of chronic diseases such as diabetes and hypertension by the Disease Control and Prevention Centers (CDC) of China...
October 2016: Lancet
https://www.readbyqxmd.com/read/27966271/do-evidence-based-guidelines-change-clinical-practice-patterns
#15
REVIEW
Line Kessel, Ditte Erngaard, Per Flesner, Jens Andresen, Jesper Hjortdal
In 2013, the Danish Health and Medicines Authorities published a National Clinical Guideline on the treatment of age-related cataracts. The guideline provided evidence-based recommendations on the indication for cataract surgery, cataract surgery in patients with age-related macular degeneration, on the use of toric intraocular lenses (IOLs) to correct preoperative corneal astigmatism, the use of intracameral and topical antibiotics to prevent endophthalmitis, choice of anti-inflammatory medication to control postoperative inflammation and prevent cystoid macular oedema, the use of immediate sequential bilateral cataract surgery and on the postoperative check-up of patients...
December 14, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27966269/the-effect-of-blue-blocking-and-neutral-intraocular-lenses-on-circadian-photoentrainment-and-sleep-one-year-after-cataract-surgery
#16
Adam Elias Brøndsted, Birgitte Haargaard, Birgit Sander, Henrik Lund-Andersen, Poul Jennum, Line Kessel
PURPOSE: To compare the long-term effect on circadian photoentrainment and sleep in patients implanted with neutral and blue-blocking intraocular lenses 1 year after cataract surgery. METHODS: Randomized, controlled trial involving 67 patients with age-related cataract. Intervention was cataract surgery with implantation of either a neutral or a blue-blocking intraocular lens (IOL). Main outcome was activation of the intrinsically photosensitive retinal ganglion cells (ipRGC) measured by chromatic pupillometry...
December 14, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27960582/ultrasound-biomicroscopy-in-pseudophakic-patients-with-unexplained-recurrent-hyphema-or-vitreous-hemorrhage
#17
Saba T Alniemi, Sejal R Amin, Luanne Sculley, Sophie J Bakri
PURPOSE: To describe IOL haptic with iris or ciliary body touch on ultrasound biomicroscopy (UBM) in pseudophakic patients with unexplained recurrent hyphema or vitreous hemorrhage. METHODS: Retrospective chart review of 10 patients who presented with unexplained recurrent hyphema and or vitreous hemorrhage. RESULTS: There were eight posterior chamber intraocular lenses (PCIOL) and two sulcus lenses. Four cases had a history of glaucoma; two cases which had a history of trabeculectomy were found to have some bridging vessels along the sclerostomy requiring argon laser gonioplasty...
December 14, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27956282/dependency-of-endothelial-cell-loss-on-anterior-chamber-depth-within-first-4%C3%A2-years-after-implantation-of-iris-supported-phakic-intraocular-lenses-to-treat-high-myopia
#18
Mehdi Shajari, Magdalena Scheffel, Michael Janusz Koss, Thomas Kohnen
PURPOSE: To evaluate the effect of the anterior chamber depth (ACD) on the central corneal endothelial cell density (ECD) in eyes after implantation of an iris-fixated phakic intraocular lens (pIOL). SETTING: Department of Ophthalmology, Goethe-University, Frankfurt, Germany. DESIGN: Retrospective nonrandomized case series. METHODS: An Artisan pIOL was implanted in eyes of highly myopic patients. Follow-up examinations at 1, 12, 24, 36, and 48 months included evaluation of ECD and adverse events...
November 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27943250/multifocal-versus-monofocal-intraocular-lenses-after-cataract-extraction
#19
REVIEW
Samantha R de Silva, Jennifer R Evans, Varo Kirthi, Mohammed Ziaei, Martin Leyland
BACKGROUND: Good unaided distance visual acuity (VA) is now a realistic expectation following cataract surgery and intraocular lens (IOL) implantation. Near vision, however, still requires additional refractive power, usually in the form of reading glasses. Multiple optic (multifocal) IOLs are available which claim to allow good vision at a range of distances. It is unclear whether this benefit outweighs the optical compromises inherent in multifocal IOLs. OBJECTIVES: To assess the visual effects of multifocal IOLs in comparison with the current standard treatment of monofocal lens implantation...
12, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27939561/phakic-intraocular-collamer-lens-visian-icl-implantation-for-correction-of-myopia-in-spectacle-aversive-special-needs-children
#20
Lawrence Tychsen, Nicholas Faron, James Hoekel
PURPOSE: A subset of children with high anisometropia or isoametropia and neurobehavioral disorders have chronic difficulties with spectacle or contact lens wear. We report the results of refractive surgery in a series of these children treated using bilateral or unilateral intraocular collamer lens (Visian ICL) implantation for moderate to high myopia. DESIGN: Prospective non-randomized cohort study. METHODS: Clinical course and outcome data were collated prospectively for 40 implanted eyes in 23 children (mean age 10...
December 6, 2016: American Journal of Ophthalmology
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