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Intraocular lens

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https://www.readbyqxmd.com/read/28441071/efficacy-and-safety-of-23-gauge-pars-plana-vitrectomy-silicone-oil-tamponade-combination-for-treatment-of-pediatric-post-traumatic-endophthalmitis
#1
Wei Jin, Yaopeng Xu, Wenjun Wang, Yiqiao Xing, Anhuai Yang
PURPOSE: To determine (i) the etiology, epidemiology, mechanism of injury, and risk factors associated with open globe injuries (OGIs) in children and (ii) visual outcomes of pediatric patients with post-traumatic endophthalmitis following 23-gauge pars plana vitrectomy (PPV) combined with silicone oil tamponade (SOT). METHODS: A total of 107 consecutive patients, <15 years of age, who had been diagnosed with post-traumatic endophthalmitis between September 2009 and October 2015, were included in this 6-year retrospective study...
April 25, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28440260/immortal-ozurdex-a-10-month-follow-up-of-an-intralenticular-implant
#2
B Poornachandra, Vinod B M Kumar, Chaitra Jayadev, Subashchandra H Dorelli, Naresh Kumar Yadav, Rohit Shetty
A 78-year-old male who had received a dexamethasone implant (Ozurdex, Allergan, Inc., Irvine, CA, USA) 15 days back for recalcitrant diabetic macular edema in the left eye came to us for a second opinion. On examination, his corrected distance visual acuity was 20/20 in the right eye and 20/40 in the left eye. Early cataractous changes were present in both eyes. The intraocular pressure was within normal limits. The Ozurdex implant was seen lodged in the posterior cortex of the crystalline lens in the left eye, confirmed on anterior segment optical coherence tomography (OCT) and ultrasound biomicroscopy...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28440249/innovations-in-pediatric-cataract-surgery
#3
Sudarshan Kumar Khokhar, Ganesh Pillay, Esha Agarwal, Manish Mahabir
Advances in technology have made surgery in children safer and faster. The management of pediatric cataract has made rapid progress in the past decade with the availability of safer anesthesia, newer technique's, more predictable intraocular lens (IOL) power calculation, a better understanding of neurobiology, genetics, amblyopia management, improved IOL designs for preventing visual axis opacification, and adjuvant postoperative care. Modern vitrectomy machines with minimally invasive instruments, radiofrequency, diathermy, and plasma blades help immensely in complicated cases...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28435215/a-comparison-of-mesopic-visual-acuity-and-objective-visual-quality-following-cataract-surgery-with-hydrophobic-acrylic-intraocular-lenses
#4
George Hh Beiko, Miso Gostimir, Lila Haj-Ahmad
PURPOSE: To evaluate mesopic visual acuity and visual quality as measured by objective scatter index (OSI) in pseudophakic eyes with long-term follow-up after implantation of hydrophobic acrylic lenses made from two different lens materials. SETTING: This study was carried out in a private clinic. DESIGN: This study was an observational cohort study. METHODS: This pilot study included 181 eyes of 136 patients who had undergone cataract surgery with implantation of monofocal hydrophobic acrylic intraocular lenses (IOLs), either Alcon AcrySof (82 eyes) or Abbott Medical Optics' Tecnis (99 eyes)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28433446/functional-magnetic-resonance-imaging-to-assess-the-neurobehavioral-impact-of-dysphotopsia-with-multifocal-intraocular-lenses
#5
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/28432184/management-of-a-case-of-myopic-foveoschisis-with-phakic-intraocular-lens-piol-in-situ-intraoperative-challenges
#6
Atul Kumar, Aditi Mehta, Raghav Dinesh Ravani, Prateek Kakkar
We describe the case of a 30-year-old man with pathological myopia with a phakic intraocular lens (IOL) (Visian ICL V4c model; STAAR, Monrovia, California, USA) in situ having complaints of metamorphopsia in the left eye with documented myopic foveoschisis on swept-source optical coherence tomography (DRI OCT Triton; Topcon, Tokyo, Japan). The patient underwent pars plana vitrectomy with internal limiting membrane peeling. This report discusses the intraoperative challenges occurring as a result of increased optical aberrations in the presence of a phakic IOL...
April 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28430806/incidence-and-risk-factors-for-post-penetrating-keratoplasty-glaucoma-a-systematic-review-and-meta-analysis
#7
Suqian Wu, Jianjiang Xu
OBJECTIVES: To establish the incidence and risk factors for post penetrating keratoplasty glaucoma (PKKG). METHODS: Studies published between 1947 and 2016 regarding penetrating keratoplasty (PK) were identified using an electronic search and reviewed. For search purpose, PKKG was defined as ocular hypertension (> 21mmHg) after PK. The incidence and risk factors of PKKG were extracted for all studies. Pooled incidence, odd ratios (ORs) and 95% confidence intervals (CIs) were calculated...
2017: PloS One
https://www.readbyqxmd.com/read/28430336/an-italian-translation-and-validation-of-the-near-activity-visual-questionnaire-navq
#8
Fabrizio Zeri, Isabella Beltramo, Laura Boccardo, Paolo Palumbo, Vincenzo Petitti, James S Wolffsohn, Shehzad A Naroo
PURPOSE: To validate the Near Activity Vision Questionnaire (NAVQ) in Italian to allow the assessment of presbyopia corrections in Italian-speaking patients. METHODS: An Italian version of the NAVQ was arranged through several steps: an initial forward translation (from English to Italian), a backward translation (from Italian to English), and finally a consensual version to check against the original NAVQ. This prospective study enrolled native Italian-speaking presbyopic patients with corrected distance visual acuity of 0...
April 11, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28430328/outcome-of-various-hydrophobic-acrylic-intraocular-lens-implantations-in-children-with-congenital-cataract
#9
Jaspreet Sukhija, Savleen Kaur, Jagat Ram, Sonam Yangzes, Siddharth Madan, Jitender Jinagal
PURPOSE: To evaluate performance of different intraocular lenses (IOLs) after cataract surgery in children aged less than 2 years with regards to rates of visual axis opacification (VAO). METHODS: This was a retrospective chart review of children <2 years of age undergoing cataract surgery with primary posterior capsulotomy, anterior vitrectomy, and IOL over a period of 5 years with minimum follow-up of 1 year at a tertiary care institute. Children with microphthalmos, persistent fetal vasculature, traumatic cataract, aphakia, secondary IOLs, or any other coexisting ocular disease were excluded...
April 13, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28430322/prewound-assisted-technique-for-hydrophobic-foldable-intraocular-lens-implantation
#10
Takuya Shiba, Hiroshi Tsuneoka
PURPOSE: To describe a technique for intraocular lens (IOL) implantation that lessens the degree of surgical invasiveness by implanting a tightly rolled IOL through a small incision without touching the eye with the cartridge tip. METHODS: An IOL was inserted through an incision by first allowing the leading haptic to protrude slightly from the cartridge tip. It was then injected through the incision without allowing any part of the cartridge to touch the eye during IOL implantation...
April 7, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28430320/remnant-extraction-by-using-an-intraocular-lens-injector-with-essential-flow
#11
Momoko Yamakawa, Mami Kusaka, Shogo Yamada, Masayuki Akimoto
PURPOSE: To describe a new technique for remnant removal in cases of posterior capsular rupture during cataract surgery and Soemmering ring extraction during intraocular lens (IOL) removal. METHODS: An IOL injector, inserted into the anterior chamber, provides a new exit for residual lens fragments. Passive fluid flow, supplied by an anterior chamber maintainer or some ocular viscoelastic device (OVD) injection, delivers the residual fragments into a lumen of the injector in assistance with a second device such as a phaco-chopper and vitreous cutter...
April 5, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28430180/comment-on-the-evidence-informing-the-surgeon-s-selection-of-intraocular-lens-on-the-basis-of-light-transmittance-properties
#12
https://www.readbyqxmd.com/read/28430179/response-to-comment-on-the-evidence-informing-the-surgeon-s-selection-of-intraocular-lens-on-the-basis-of-light-transmittance-properties
#13
X Li, D Kelly, J M Nolan, J L Dennison, S Beatty
No abstract text is available yet for this article.
April 21, 2017: Eye
https://www.readbyqxmd.com/read/28429670/expression-of-dominant-negative-k6w-ubiquitin-in-the-lens-epithelium-via-an-adenoviral-vector-delays-posterior-capsule-opacification-in-a-rabbit-model
#14
Xuan Bao, Min Hou, Ruiping Peng, Furong Luo, Mingxing Wu
PURPOSE: Ubiquitin is involved in cell proliferation and differentiation, and the objective of this study is to investigate the potential of dominant negative Ubiquitin (Ub) with a lysine to tryptophan mutation at the 6 position (K6W) through an adenoviral expression vector in the prevention of posterior capsule opacification (PCO) in a rabbit PCO model. METHODS: Recombinant dominant negative K6W-Ub adenovirus (RAd-K6W-Ub) with green fluorescent protein (RAd-K6W-Ub/GFP) and RAd-GFP viruses (control) were generated with QBI-HEK 293A cells...
March 31, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28428923/the-long-term-outcome-of-the-management-of-the-posterior-capsule-in-pseudophakic-children
#15
Malcolm R Ing
This is a long term study of the treatment of the posterior lens capsule in the management of bilateral cataract extraction and insertion of 42 intraocular lenses in 21 children. The purpose of the current study was to compare the long-term outcome of eyes treated by the two different methods of surgery of the posterior lens capsule in bilateral cataract and intraocular lens implantation in children. The author performed an independent ocular exam on the children selected from a consecutive series at 4 different institutions, followed for a minimum of 5 years...
April 2017: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/28426745/objective-classification-of-zonular-weakness-based-on-lens-movement-at-the-start-of-capsulorhexis
#16
Saori Yaguchi, Shigeo Yaguchi, Yukari Yagi-Yaguchi, Tadahiko Kozawa, Hiroko Bissen-Miyajima
PURPOSE: To quantify zonular weakness based on lens movement at the start of continuous curvilinear capsulorhexis (CCC) and establish a classification system for it. SETTING: Kozawa Eye Hospital and Diabetes Center, Mito, Japan. DESIGN: Retrospective interventional case series. METHODS: We examined 402 consecutive eyes of 316 patients who underwent CCC, phacoemulsification and aspiration (PEA), and intraocular lens (IOL) implantation...
2017: PloS One
https://www.readbyqxmd.com/read/28421654/short-term-outcomes-of-small-incision-cataract-surgery-provided-by-a-regional-population-in-the-pacific
#17
Riyaz Bhikoo, Hans Vellara, Salome Lolokabaira, Neil Murray, Biu Sikivou, Charles McGhee
BACKGROUND: To describe patient demographics, visual and surgical outcomes of a cohort undergoing Small Incision Cataract Surgery (SICS) at a Pacific regional ophthalmic training facility. DESIGN: Prospective, longitudinal study conducted at the Pacific Eye Institute, Fiji. PARTICIPANTS: 156 patients underwent SICS. METHODS: Preoperatively, a complete ophthalmic examination, including pachymetry and macular Optical Coherence Tomography (OCT) performed by two independent investigators...
April 19, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28419129/factors-related-to-axial-length-elongation-and-myopia-progression-in-orthokeratology-practice
#18
Bingjie Wang, Rajeev K Naidu, Xiaomei Qu
PURPOSE: To investigate which baseline factors are predictive for axial length growth over an average period of 2.5 years in a group of children wearing orthokeratology (OK) contact lenses. METHODS: In this retrospective study, the clinical records of 249 new OK wearers between January 2012 and December 2013 from the contact lens clinic at the Eye and ENT Hospital of Fudan University were reviewed. The primary outcome measure was axial length change from baseline to the time of review (July-August 2015)...
2017: PloS One
https://www.readbyqxmd.com/read/28417453/bilateral-cataract-surgery-with-intraocular-lens-implant-in-a-captive-western-lowland-gorilla
#19
Alasdair Warwick, Sharon Redrobe, Andrew Lotery, Jenny Watts
We report a case of bilateral cataract surgery performed in a 21-year-old western lowland gorilla. Phacoemulsification with intraocular lens insertion was performed using standard human surgical equipment. Visual function significantly improved. She subsequently mated and gave birth. Ultimately, cataract surgery enabled the birth of a baby gorilla.
April 17, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28415600/the-value-of-mri-in-evaluating-the-efficacy-and-complications-with-the-treatment-of-intra-arterial-chemotherapy-for-retinoblastoma
#20
Shuxian Chen, Xunda Ji, Ming Liu, Zhengrong Xia, Hui Zheng, Qiufeng Yin, He Wang, Yuhua Li
Retinoblastoma is the most common intraocular malignant tumor of childhood. Intra-arterial chemotherapy (IAC) is a recently popularized technique used for the treatment of retinoblastoma, to decrease mortality, increase preservation of the eye, and prevent blindness. Along with the extensive use of IAC, it is important to apply noninvasive examination methods to assess the activity of the tumor and the risk factors for disease dissemination without histopathological confirmation. There are few studies that have assessed the value of magnetic resonance imaging (MRI) in evaluating the efficacy and complications of IAC for retinoblastoma...
March 21, 2017: Oncotarget
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