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https://www.readbyqxmd.com/read/29668525/primary-core-vitrectomy-technique-before-cataract-surgery-in-combined-phacovitrectomy-for-eyes-with-dense-vitreous-hemorrhages
#1
Kyung Sup Shin, Hyung Bin Lim, Yong Il Shin, Seong Eun Lee, Young Joon Jo, Jung Yeul Kim
PURPOSE: To investigate the efficacy and safety of a primary core vitrectomy technique for combined phacovitrectomy in eyes showing a poor red reflex because of dense vitreous hemorrhage before cataract surgery. METHODS: A total of 156 eyes from 156 patients, who underwent combined phacovitrectomy because of cataract and dense vitreous hemorrhage, and who were followed up for at least 6 months were included. The patients were divided into a primary phacoemulsification group (Group A, 80 eyes) who underwent phacoemulsification first followed by total vitrectomy and a primary vitrectomy group (Group B, 76 eyes) who underwent core vitrectomy first followed by cataract surgery and followed by total vitrectomy...
April 17, 2018: Retina
https://www.readbyqxmd.com/read/29643798/rapid-capsular-contraction-with-secondary-intraocular-lens-dislocation-associated-with-unspecified-rod-cone-dystrophy-a-case-report
#2
Jocelyn Lam, Bradley Sifrig, Hoon Jung
Purpose: We report an unusual case of rapid and severe anterior capsular contraction associated with secondary intraocular lens (IOL) dislocation following cataract surgery in a patient with unspecified rod-cone dystrophy. Case Report: A 68-year-old woman with a history of uncharacterized bilateral rod-cone dystrophy presented with blurry vision 1 month after cataract surgery. Best corrected visual acuity was 20/40 in the operative eye. Slit-lamp exam showed severe anterior capsular phimosis limiting view of the fundus...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29643776/patch-grafting-using-an-ologen-collagen-matrix-to-manage-tubal-exposure-in-glaucoma-tube-shunt-surgery
#3
Masaki Tanito, Ichiya Sano, Yoshifumi Ikeda, Etsuko Fujihara
Purpose: To report the results using an ologen Collagen Matrix as a patch graft in eyes with tubal exposure after tube shunt surgery. Case Reports: Case 1 was an 82-year-old man with tubal exposure in his right eye 26 months after receiving a Baerveldt glaucoma implant. The tube was covered by surrounding conjunctival tissue combined with subconjunctival placement of an ologen Collagen Matrix as a patch graft. Two years after implantation, the tube was not exposed...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29620730/molecular-nucleation-mechanisms-and-control-strategies-for-crystal-polymorph-selection
#4
Alexander E S Van Driessche, Nani Van Gerven, Paul H H Bomans, Rick R M Joosten, Heiner Friedrich, David Gil-Carton, Nico A J M Sommerdijk, Mike Sleutel
The formation of condensed (compacted) protein phases is associated with a wide range of human disorders, such as eye cataracts, amyotrophic lateral sclerosis, sickle cell anaemia and Alzheimer's disease. However, condensed protein phases have their uses: as crystals, they are harnessed by structural biologists to elucidate protein structures, or are used as delivery vehicles for pharmaceutical applications. The physiochemical properties of crystals can vary substantially between different forms or structures ('polymorphs') of the same macromolecule, and dictate their usability in a scientific or industrial context...
April 4, 2018: Nature
https://www.readbyqxmd.com/read/29502616/supervised-resident-manual-small-incision-cataract-surgery-outcomes-at-large-urban-united-states-residency-training-program
#5
Ross Lynds, Brock Hansen, Preston H Blomquist, V Vinod Mootha
PURPOSE: To examine the outcomes of resident-performed manual small-incision cataract surgery (SICS) in an urban academic setting. SETTING: Parkland Memorial Hospital, Dallas, Texas, USA. DESIGN: Retrospective case series. METHODS: Manual SICS was used only in selected cases for which phacoemulsification was expected to be difficult, namely for mature or brunescent cataracts, traumatic cataracts, and pseudoexfoliation syndrome or other causes of zonular weakness...
January 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29498015/enhanced-penetration-for-axial-length-measurement-of-eyes-with-dense-cataracts-using-swept-source-optical-coherence-tomography-a-consecutive-observational-study
#6
Nino Hirnschall, Ralph Varsits, Birgit Doeller, Oliver Findl
INTRODUCTION: The aim of this study was to find cases in which the axial eye length could not be measured with partial coherence interferometry (PCI) technology and to assess if it could be measured using swept source optical coherence tomography (ss-OCT) technology. METHODS: All patients were measured at their pre-assessment visit 1 week prior to cataract surgery using conventional optical biometry (PCI technology, IOLMaster 500, Carl Zeiss Meditec AG, Jena, Germany)...
March 1, 2018: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/29474298/descemet-membrane-endothelial-keratoplasty-for-failed-deep-anterior-lamellar-keratoplasty-a-case-series
#7
Adi Einan-Lifshitz, Nir Sorkin, Tanguy Boutin, Zale Mednick, Mohammad Kreimei, Clara C Chan, David S Rootman
PURPOSE: To suggest a new surgical approach for posterior opacities or persistent Descemet membrane (DM) detachment in failed deep anterior lamellar keratoplasty (DALK) and to report the outcome of Descemet membrane endothelial keratoplasty (DMEK) in a series of patients with DALK failure. METHODS: In this retrospective case series of patients who underwent DMEK for failed DALK at Toronto Western Hospital, 4 patients with failed DALK who underwent DMEK surgery were included...
February 22, 2018: Cornea
https://www.readbyqxmd.com/read/29468207/bull-s-eye-maculopathy-and-subfoveal-deposition-in-two-mucopolysaccharidosis-type-i-patients-on-long-term-enzyme-replacement-therapy
#8
Heather G Mack, R C Andrew Symons, Gerard de Jong
Purpose: To report retinal findings in two patients with mucopolysaccharidosis type I (MPS I) receiving human recombinant alpha-l-iduronidase (Laronidase) as enzyme replacement therapy. Observations: Patient 1 had visual acuity 20/20 right eye, 20/25 left eye and unremarkable anterior segment and retinal examination. Optical coherence tomography (OCT) scanning demonstrated parafoveal thinning and subfoveal hyperreflectant material. Patient 2 had visual acuity 20/20 both eyes, with dense nuclear cataract both eyes...
March 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29426435/sural-nerve-graft-for-neurotrophic-keratitis-early-results
#9
Ezekiel Weis, Avi Rubinov, Ahmed Rustom Al-Ghoul, Farrah Meng-Kay Yau
OBJECTIVE: To report our center's experience in treating neurotrophic keratitis (NK) through corneal neurotization using nerve transfers and sural nerve grafts in the adult population. DESIGN: Prospective observational case series, single center study. METHODS: Six consecutive patients (5 males and 1 female) with severe NK were evaluated. All patients had complete corneal anaesthesia in the neurotrophic eye. Three patients had unstable epithelial disease with recurrent breakdowns despite maximal medical and standard surgical management; three presented with dense scarring of their cornea...
February 2018: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/29422757/aeromonas-salmonicida-as-a-causative-agent-for-postoperative-endophthalmitis
#10
Abhishek Varshney, Manmath Das, Priyanka Chaudhary, Rashmi Kumari, Kusha Yadav
We report a case of a 55-year-old female who presented with pain, redness, and profound visual loss in her right eye 2 weeks after cataract surgery. An ophthalmic examination showed light perception vision, corneal edema with severe anterior chamber reaction and hypopyon, exudative membranes on the anterior lens surface, and dense vitreous exudates. Under the impression of acute postoperative exogenous endophthalmitis, immediate pars plana vitrectomy with culture of vitreous aspirate and intravitreal antibiotic injections were performed...
October 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/29404803/the-use-of-ocular-ultrasound-to-diagnose-retinal-detachment-a-case-demonstrating-the-sonographic-findings
#11
Ariel Botwin, Adam Engel, Christopher Wasyliw
Retinal detachment is an ophthalmologic emergency that requires immediate medical attention as it can potentially lead to permanent vision loss. The gold standard for diagnosing retinal detachment is dilated funduscopic exam. However, when this exam is not feasible such as in an emergency room setting or if visualization of the posterior portion of the eye is not possible due to vitreous hemorrhage or dense cataracts, ocular ultrasound provides a readily available and effective alternative. We present the sonographic appearance of chronic retinal detachment in a 24-year-old female with a longstanding history of poorly controlled type 1 diabetes who could not undergo dilated funduscopic exam due to intra-ocular hemorrhage...
February 5, 2018: Emergency Radiology
https://www.readbyqxmd.com/read/29392397/efficiency-and-measurements-agreement-between-swept-source-oct-and-low-coherence-interferometry-biometry-systems
#12
Jorge A Calvo-Sanz, Alejandro Portero-Benito, Alfonso Arias-Puente
PURPOSE: To compare and evaluate the agreement between the measurements obtained with a swept-source optical coherence tomography (OCT)-based biometer, the IOLMaster® 700 (IOLM), and those obtained by an optical biometer based on optical low-coherence interferometry (OLCI), the Aladdin (ALD); To evaluate the ability to perform biometric measurements in those eyes with transparency alterations. METHODS: Fifty-five eyes of 55 subjects were included in this study...
February 1, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29374663/cross-sectional-study-assessing-the-addition-of-contrast-sensitivity-to-visual-acuity-when-testing-for-fitness-to-drive
#13
Lucie Spreng, Bernard Favrat, François-Xavier Borruat, Paul Vaucher
OBJECTIVES: The aim of this study is to quantify the importance of loss of contrast sensitivity (CS) and its relationship to loss of visual acuity (VA), driving restrictions and daytime, on-road driving evaluations in drivers aged 70+. DESIGN: A predictive cross-sectional study. SETTING: Volunteer participants to a drivers' refresher course for adults aged 70+ delivered by the Swiss Automobile Club in western Switzerland from 2011 to 2013...
January 26, 2018: BMJ Open
https://www.readbyqxmd.com/read/29304077/ideal-parameters-for-femto-second-laser-assisted-anterior-capsulotomy-animal-studies
#14
Min-Ji Kang, Yong-Eun Lee, Jun-Sub Choi, Choun-Ki Joo
In femtosecond laser-assisted cataract surgery, the parameter such as horizontal spot spacing and energy level can be adjusted. Although there have been several studies reported on various laser systems, showing the effects of varying energy levels and horizontal spot spacing on lens capsulotomy cut edges, none have been reported on the Catalys laser system (Abbott Medical Optics, Inc., Santa Ana, CA). The aim of this study is to evaluate, using scanning electron microscopy (SEM), the quality of the cut edges of the laser lens capsulotomy obtained using the Catalys Laser System, using different horizontal spot spacing and energy levels, and to determine the ideal parameters based on SEM results...
2018: PloS One
https://www.readbyqxmd.com/read/29260048/optical-coherence-tomography-angiography-of-iris-microhemangiomatosis
#15
Amarjot S Kang, R Joel Welch, Kareem Sioufi, Emil Anthony T Say, Jerry A Shields, Carol L Shields
Purpose: To report optical coherence tomography angiography (OCTA) of iris microhemangiomatosis. Observations: A 75-year-old asymptomatic Caucasian man was found to have bilateral pupillary vascular lesions during cataract evaluation. Visual acuity was counting fingers in the right eye (OD) and 20/40 in the left eye (OS) with normal intraocular pressures in both eyes (OU). In each eye there were multifocal, round, dark red, pinpoint vascular tufts at the pupillary margin, randomly distributed and numbering 1 in OD and 7 in OS, each measuring 0...
June 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29231786/lack-of-automatic-imitation-in-newly-sighted-individuals
#16
Ayelet McKyton, Itay Ben-Zion, Ehud Zohary
Viewing a hand action performed by another person facilitates a response-compatible action and slows a response-incompatible one, even when the viewed action is irrelevant to the task. This automatic imitation effect is taken as the clearest evidence for a direct mapping between action viewing and motor performance. But there is an ongoing debate whether this effect is innate or experience dependent. We tackled this issue by studying a unique group of newly sighted children who suffered from dense bilateral cataracts from early infancy and were surgically treated only years later...
February 2018: Psychological Science
https://www.readbyqxmd.com/read/29223242/decades-old-windshield-glass-perforating-injury-with-limbal-iris-incarceration-zonular-fiber-defect-and-equatorial-lens-capsule-injury-with-capsule-fibrosis-and-dense-cataract-november-consultation-1
#17
https://www.readbyqxmd.com/read/29078747/cionni-modified-capsular-tension-ring-for-surgical-repair-of-cyclodialysis-after-trabeculectomy-a-case-report
#18
Qinghe Jing, Jiahui Chen, Junyi Chen, Yating Tang, Yi Lu, Yongxiang Jiang
BACKGROUND: To report a case for repair of cyclodialysis after trabeculectomy with Cionni-modified capsular tension ring. CASE PRESENTATION: A 64-year-old man who had undergone trabeculectomy of his left eye 3 months earlier visited our clinic owing to blurred vision. His visual acuity was 20/2000 and the intraocular pressure (IOP) was 6 mmHg. Slit-lamp examination showed a shallow anterior chamber and dense cataract. Ultrasound biomicroscopy revealed 360 ° detachment of the ciliary body and suspected cyclodialysis of the trabeculectomy incision...
October 27, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29018756/descemet-s-stripping-automated-endothelial-keratoplasty-for-symptomatic-thioridazine-deposits-in-the-cornea
#19
Masoumeh Mohebbi, Hassan Hashemi, Alireza Mahmoudi, Pasha Anvari
The aim of this study was to use Descemet's Stripping-automated Endothelial Keratoplasty (DSAEK) as a novel treatment to remove thioridazine corneal deposits. A 53-year-old female presented with a 3-month history of visual loss and glare. She had been taking thioridazine (100 mg/day for 1 year) for a psychiatric disorder. Dense yellowish-brown deposits had developed in the posterior stroma. Thioridazine was discontinued, and she was switched to fluoxetine. One year after discontinuation of thioridazine, her symptoms and signs did not resolve...
January 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/28671961/visual-outcomes-of-dense-pediatric-cataract-surgery-in-eastern-china
#20
Fangqin Ma, Meiyu Ren, Lihua Wang, Qi Wang, Jingli Guo
PURPOSE: To evaluate the visual outcomes of dense pediatric cataract surgery in eastern China. METHODS: Medical records of children who underwent surgery for dense unilateral or bilateral pediatric cataract in Shandong Provincial Hospital between January 2007 and December 2012 were collected. Patients who cooperated with optical correction and aggressive patching of the sound eye and who had a minimum postoperative follow-up of more than 2 years were included. Risk factors for poor visual outcomes were analyzed...
2017: PloS One
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