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Lens luxation

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https://www.readbyqxmd.com/read/28797085/comparison-of-cytokine-profiles-in-the-aqueous-humor-of-eyes-with-pseudoexfoliation-syndrome-and-glaucoma
#1
Justus G Garweg, Souska Zandi, Isabel B Pfister, Magdalena Skowronska, Christin Gerhardt
PURPOSE: To compare the cyto- and chemokine profiles in the aqueous humor of PEXS eyes in the absence or presence of secondary glaucoma with or without luxation of the intraocular lens (IOL). METHODS: Samples of aqueous humor were collected intraoperatively from 20 healthy controls and from 73 eyes with PEX-syndrome, which was manifested in the absence of any other local or systemic desease. The latter group was sub-devided into eyes with an early form of PEX-syndrome in the absence of complications (PEX, n = 33), those with a late form of PEX-syndrome and glaucoma (PEXG, n = 30), and those with a late form of PEX-syndrome with luxation of the IOL that required surgery (PEXL, n = 10)...
2017: PloS One
https://www.readbyqxmd.com/read/28560045/correlation-of-neuter-status-and-expression-of-heritable-disorders
#2
Janelle M Belanger, Thomas P Bellumori, Danika L Bannasch, Thomas R Famula, Anita M Oberbauer
BACKGROUND: Gonadectomy, or neutering, is a very common surgery for dogs having many positive effects on behavior, health, and longevity. There are also certain risks associated with neutering including the development of orthopedic conditions, cognitive decline, and a predisposition to some neoplasias. This study was designed specifically to identify if a correlation exists between neuter status and inherited conditions in a large aggregate cohort of dogs representing many different breeds...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/28509425/methods-of-fixation-of-intraocular-lenses-according-to-the-anatomical-structures-in-trauma-eyes
#3
REVIEW
Miltiadis Fiorentzis, Anja Viestenz, Jens Heichel, Berthold Seitz, Thomas Hammer, Arne Viestenz
Ocular trauma can lead to severe visual impairment and morbidity, depending on the anatomical structures affected. The main causes of ocular trauma include foreign bodies, impact by an object, falls, and chemicals. Most ocular traumas occur in children or young male adults. A meticulous slit lamp examination is crucial for assessing all anatomical structures. Trauma to the crystalline lens can result in dislocation, an intralenticular foreign body, cataract, fragmentation, and capsular breach. An intraocular lens (IOL) can endure subluxation or luxation under the conjunctiva, into the anterior chamber or the vitreous, or can be extruded...
May 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28470642/iris-clip-lens-implantation-with-novel-approach-for-aphakia-after-previous-filtration-surgery
#4
A Hammer, T J Wolfensberger
Purpose To present a novel and simplified surgical technique of Artisan lens implantation for intraocular lens luxation and aphakia in glaucoma patients with previous superior filtration surgery. Methods Analysis of 12 patients with a history of previous superior filtration surgery for glaucoma, who underwent artisan lens implantation. To allow lens manipulation and implantation without alteration of the filtration bleb, the main sclerocorneal incision was performed laterally and the Artisan lens was held in place for enclavation of the iris stroma via a superior corneal incision without disturbing the filtration bleb...
April 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28297042/combination-surgery-with-transcorneal-microincision-vitrectomy-surgery-and-intrascleral-intraocular-lens-fixation-for-spontaneous-intraocular-lens-luxation
#5
Kenichi Kohzaki, Hisato Gunji, Hiroshi Tsuneoka
To present a combination technique for two cases of in-the-bag intraocular lens (IOL) luxation into the vitreous cavity. Vitrectomy was performed via a cornea microincision vitrectomy system, and the luxated IOL was fixed into the sclera. IOL fixation is simple from no trocar cannulas and less disrupted conjunctiva. Postoperative corneal endothelial cell density in Case 1 and Case 2 were reduced by -2.1% and -5.1%, respectively. Postoperative frequency of hexagon was decreased in Case 1 but maintained in Case 2...
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28140314/-traumatic-luxation-of-crystalline-lens
#6
Germán Espil, Jairo Hernández Pinzón, Nebil Larrañaga, Shigeru Kozima
No abstract text is available yet for this article.
2017: Medicina
https://www.readbyqxmd.com/read/27525650/genetic-panel-screening-of-nearly-100-mutations-reveals-new-insights-into-the-breed-distribution-of-risk-variants-for-canine-hereditary-disorders
#7
Jonas Donner, Maria Kaukonen, Heidi Anderson, Fredrik Möller, Kaisa Kyöstilä, Satu Sankari, Marjo Hytönen, Urs Giger, Hannes Lohi
BACKGROUND: The growing number of identified genetic disease risk variants across dog breeds challenges the current state-of-the-art of population screening, veterinary molecular diagnostics, and genetic counseling. Multiplex screening of such variants is now technologically feasible, but its practical potential as a supportive tool for canine breeding, disease diagnostics, pet care, and genetics research is still unexplored. RESULTS: To demonstrate the utility of comprehensive genetic panel screening, we tested nearly 7000 dogs representing around 230 breeds for 93 disease-associated variants using a custom-designed genotyping microarray (the MyDogDNA® panel test)...
2016: PloS One
https://www.readbyqxmd.com/read/27468037/intraocular-silicone-ball-implantation-after-evisceration-in-a-slow-loris-nycticebus-coucang
#8
Jury Kim, Young-Jun Kim, Dong-Beom Ji, Min-Su Kim
A slow loris, Nycticebus coucang , was brought to Ji Dong Beom Animal Hospital from the National Institute of Ecology due to globe enlargement and frequent blepharospasm of the right eye. Ophthalmic diagnoses included glaucoma with posterior lens luxation and cataract. Because this animal was on exhibition at the National Institute of Ecology, preservation of the eyeball by intraocular silicone implantation following evisceration rather than enucleation was selected. Before the surgery, examination of the normal left eye was performed using Retcam and spectral domain optical coherence tomography...
June 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27429386/sutureless-clear-corneal-ultrasonic-fragmentation-for-retained-lens-fragments-a-pilot-study
#9
Argyrios Tzamalis, Chrysanthos Symeonidis, Irini P Brazitikou, Dimitra Tzetzi, Nikos Chalvatzis, Sofia Androudi, Periklis Brazitikos
PURPOSE: To describe the safety and efficacy of removing posteriorly dislocated lens fragments with the use of intravitreal ultrasonic fragmentation through a limbal, clear cornea self-sealing incision. METHODS: Patients presenting with posteriorly luxated nuclei were enrolled in this prospective case series. Preoperative examination included evaluation of the corneal endothelium by means of specular microscopy. A 3-port 25+ pars plana vitrectomy was initially performed...
March 2017: Retina
https://www.readbyqxmd.com/read/27192046/ophthalmic-diagnostic-testing-and-examination-findings-in-a-colony-of-captive-brown-pelicans-pelecanus-occidentalis
#10
Kristen M O'Connell, Tammy M Michau, Jessica M Stine, Andrea T Reid
OBJECTIVE: To establish reference values and report ophthalmic examination findings in a colony of captive brown pelicans (Pelecanus occidentalis). DESIGN: Descriptive study. ANIMALS STUDIED: Sixty-three captive brown pelicans in Florida were examined. PROCEDURES: A complete ophthalmic examination including Schirmer tear test (STT), applanation tonometry, fluorescein stain, biomicroscopy, and direct and indirect ophthalmoscopy was performed...
May 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/27189930/pars-plana-vitrectomy-combined-with-either-secondary-scleral-fixated-or-anterior-chamber-intraocular-lens-implantation
#11
COMPARATIVE STUDY
Alexander Melamud, James S Topilow, Ling Cai, Xin He
PURPOSE: To compare visual outcomes among eyes that underwent pars plana vitrectomy (PPV) in combination with either anterior chamber intraocular lens implantation (ACIOL) or scleral suturing of posterior chamber lens (PCIOL). DESIGN: Retrospective comparative case series. METHODS: All eyes presented with aphakia or luxated or subluxated posterior chamber intraocular lens (IOL) following complicated cataract surgery, trauma, or spontaneous dislocation...
August 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27124797/dexamethasone-implant-removal-from-anterior-chamber-surgical-technique
#12
Diego Ruiz-Casas, Juan Gros-Otero, Alfonso Casado
PURPOSE: To describe a surgical technique for complete and safe dexamethasone intravitreal implant (Ozurdex; Allergan, Inc., Irvine, CA) removal from anterior chamber. METHODS: Description of a new surgical technique for Ozurdex removal using a lens injector cartridge. RESULTS: Dexamethasone implant was removed completely from anterior chamber with no damage to corneal endothelium or posterior chamber luxation in a patient with Ozurdex anterior chamber migration...
2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27061240/epidemiology-and-clinical-presentation-of-canine-cataracts-in-france-a-retrospective-study-of-404-cases
#13
Elise Donzel, Léa Arti, Sabine Chahory
OBJECTIVE: To determine the epidemiology and the clinical presentation of cataracts in a population of dogs in France. PROCEDURES: Records of dogs affected by a cataract presented at the Ophthalmology Unit of Alfort Veterinary School during 2009-2012 were reviewed. The etiology was determined for each dog. The signalment of affected dogs, their medical history, age of onset, stage of progression, location of opacities, and ocular lesions associated were evaluated for each etiology...
March 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/26800888/intravitreal-luxated-lens-stuck-on-the-optic-disc-a-case-report
#14
Seita Morishita, Masanori Fukumoto, Hiroyuki Suzuki, Takaki Sato, Teruyo Kida, Eisuke Isizaki, Mari Ueki, Tetsuya Sugiyama, Tsunehiko Ikeda
BACKGROUND: We encountered a rare patient with lens luxation in which the lens had become stuck on the optic disc. Findings obtained during vitreous surgery suggested that the luxated lens had become stuck on the optic disc via residual vitreous gel. CASE PRESENTATION: An 88-year-old Japanese man experienced lens luxation into the inferior vitreous cavity while undergoing treatment for glaucoma in his left eye. Because no inflammation was present upon examination, we observed the patient without prescribing any additional medications except for the eye drop treatment for glaucoma...
January 22, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/26653729/dangling-lens-phacoemulsification-a-novel-technique-for-near-complete-zonular-dehiscence
#15
Okan Toygar, Michael E Snyder, Christopher D Riemann
PURPOSE: To demonstrate a novel technique for the management of dangling lenses with near complete zonular dehiscence. METHODS: A capsule-sparing combined anterior and posterior surgical approach for dangling lenses with severe zonular dehiscence is described. The surgical record of a patient who underwent phacoemulsification with "dangling lens technique" and in-the-bag intraocular lens (IOL) implantation was evaluated. RESULTS: This technique was able to preserve the lens capsule, allowing freedom of IOL choice and an optimally reconstructed anterior segment...
December 2015: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/26474315/two-independent-mutations-in-adamts17-are-associated-with-primary-open-angle-glaucoma-in-the-basset-hound-and-basset-fauve-de-bretagne-breeds-of-dog
#16
James A C Oliver, Oliver P Forman, Louise Pettitt, Cathryn S Mellersh
PURPOSE: Mutations in ADAMTS10 (CFA20) have previously been associated with primary open angle glaucoma (POAG) in the Beagle and Norwegian Elkhound. The closely related gene, ADAMTS17, has also been associated with several different ocular phenotypes in multiple breeds of dog, including primary lens luxation and POAG. We investigated ADAMTS17 as a candidate gene for POAG in the Basset Hound and Basset Fauve de Bretagne dog breeds. METHODS: We performed ADAMTS17 exon resequencing in three Basset Hounds and three Basset Fauve de Bretagne dogs with POAG...
2015: PloS One
https://www.readbyqxmd.com/read/26165323/long-term-analysis-of-iol-stability-of-the-lewis-technique-for-scleral-fixation
#17
Gian Maria Cavallini, Veronica Volante, Michele De Maria, Giulio Torlai, Matteo Forlini, Laura Chiesi, Luca Campi, Carlo Cagini
PURPOSE: To demonstrate that in case of absence of capsular support intraocular lens (IOL) scleral fixation is both effective and stable over years. METHODS: A total of 13 eyes from 13 patients who underwent an IOL scleral fixation according to Lewis suturing technique between January 2001 and December 2008 were studied. Patients underwent a complete ophthalmologic evaluation. The IOL stability was assessed using slit-lamp and anterior segment optical coherence tomography (AS-OCT) examination...
November 2015: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/25473400/capsule-contraction-syndrome-with-a-microincision-foldable-hydrophilic-acrylic-intraocular-lens-two-case-reports-and-review-of-the-literature
#18
Angelo Balestrazzi, Alex Malandrini, Gianluca Martone, Davide Marigliani, Tomaso Caporossi, Gian Marco Tosi
Here we present 2 cases of capsule contraction syndrome (CCS). In both cases, a hydrophilic acrylic Akreos MI60 (Bausch and Lomb) intraocular lens (IOL) was implanted in the capsular bag through microincision cataract surgery, and the literature on the subject is reviewed. Since CCS has been described after the implantation of every IOL type, it is unlikely that the Akreos MI60 chemical and physical properties may cause CCS. When CCS occurs with IOLs composed of increasingly flexible materials that are inserted through incisions of decreasing size, a severe dislocation and deformation of IOL optics and haptics may develop...
September 2014: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/25390553/clinical-outcomes-of-glued-transscleral-fixated-intraocular-lens-in-functionally-one-eyed-patients
#19
COMPARATIVE STUDY
Dhivya Ashok Kumar, Amar Agarwal, Athiya Agarwal, Radhika Chandrasekar
PURPOSE: To analyze the indications, visual outcome, mental status, and quality of life after glued transscleral fixated intraocular lens (IOL) in functionally one-eyed individuals. SETTING: Dr Agarwal's Eye Hospital and Eye Research Centre, Chennai, India. DESIGN: Prospective observational comparative case series. METHODS: Patients with one functioning eye with surgical indications (aphakia, luxated IOL, or dislocated lens) and the fellow eye with no perception of light were included...
July 2014: Eye & Contact Lens
https://www.readbyqxmd.com/read/25333236/-retroiridal-iris-claw-lens-as-routine-procedure
#20
H Häberle, S Schiedel, D-T Pham
BACKGROUND: Absence of capsular support or extended zonulolysis is today the main indication for retroiridal enclavation of the unfoldable PMMA iris claw lens (Verisyse®/Artisan®) if there is sufficient iris support. Contraindications are uveitis or ischaemic retinopathies. PATIENTS AND METHODS: 'In-the-bag' IOL dislocation due to PEX zonulopathy usually occurring 8 years after phacoemulsification is the main indication. For complicated phacoemulsification with extended zonular defect the retroiridal iris claw lens (Verisyse®/Artisan®) has become the stand-by IOL of first choice...
October 2014: Klinische Monatsblätter Für Augenheilkunde
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