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Corneal endotheliitis

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https://www.readbyqxmd.com/read/28822873/surface-modification-of-an-intraocular-lens-material-by-plasma-assisted-grafting-with-2-hydroxyethyl-methacrylate-hema-for-controlled-release-of-moxifloxacin
#1
A Paula Vieira, Andreia F R Pimenta, Diana Silva, M Helena Gil, Patrícia Alves, Patrícia Coimbra, José L G C Mata, Dimitriya Bozukova, Tiago R Correia, Ilídio J Correia, A Paula Serro, A Jorge Guiomar
Endophthalmitis, an inflammation of the eye due to perioperative infection, may occur after cataract surgery. Intraocular lenses (IOLs) loaded with an antibiotic have been proposed as an alternative to the conventional postoperative endophthalmitis prophylaxis, since the antibiotic is delivered directly to the target site. In this work, an IOL-based antibiotic releasing system was prepared from a copolymer used in the production of IOLs and a fluoroquinolone used in endophthalmitis prophylaxis (moxifloxacin, MFX)...
August 16, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28820792/corneal-endothelial-dystrophy-associated-with-myotonic-dystrophy-a-report-of-2-cases
#2
Julia Furtado Heringer, Ruth Miyuki Santo, Leonardo José Barbosa, Amaryllis Avakian, Pedro Carlos Carricondo
No abstract text is available yet for this article.
August 17, 2017: Cornea
https://www.readbyqxmd.com/read/28819785/assessment-of-the-safety-and-efficacy-of-primary-retropupillary-fixation-of-iris-claw-intraocular-lenses-in-children-with-large-lens-subluxations
#3
Anju Rastogi, Apurva Goray, Prolima Thacker, Kamlesh, Babita
PURPOSE: To evaluate whether retropupillary fixation of the iris-claw intraocular lens (IOL) is a safe and effective treatment option in children with large lens subluxations. METHODS: Fourteen eyes of children between the ages of 8-17 years with lens subluxations more than 7 clock hours underwent pars plana lensectomy-vitrectomy with implantation of the iris-claw IOL in the retropupillary position as a primary procedure. The best corrected visual acuity (BCVA), intraocular pressure (IOP), corneal endothelial count (EC) and the lens position using ultrasound biomicroscopy (UBM) were assessed pre- and postoperatively...
August 17, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28819566/development-of-poly-lactic-glycolic-acid-plga-microspheres-for-controlled-release-of-rho-associated-kinase-inhibitor
#4
Sho Koda, Naoki Okumura, Junji Kitano, Noriko Koizumi, Yasuhiko Tabata
PURPOSE: The purpose of this study was to investigate the feasibility of poly lactic/glycolic acid (PLGA) as a drug delivery carrier of Rho kinase (ROCK) inhibitor for the treatment of corneal endothelial disease. METHOD: ROCK inhibitor Y-27632 and PLGA were dissolved in water with or without gelatin (W1), and a double emulsion [(W1/O)/W2] was formed with dichloromethane (O) and polyvinyl alcohol (W2). Drug release curve was obtained by evaluating the released Y-27632 by using high performance liquid chromatography...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28817391/tacrolimus-eye-drops-as-adjunct-therapy-in-severe-corneal-endothelial-rejection-refractory-to-corticosteroids
#5
Reza Ghaffari, Hamed Ghassemi, Mehran Zarei-Ghanavati, Golshan Latifi, Shima Dehghani, Zeeshan Haq, Ali R Djalilian
PURPOSE: To evaluate the safety and efficacy of tacrolimus eye drops as adjunctive therapy in the treatment of severe corneal endothelial rejection after penetrating keratoplasty refractory to corticosteroids. METHODS: In this prospective interventional case series, 11 eyes of 11 patients assessed for severe corneal endothelial rejection, with an inadequate response to topical, local, and systemic corticosteroids, were treated with either 0.01% or 0.05% tacrolimus eye drops 4 times daily...
August 16, 2017: Cornea
https://www.readbyqxmd.com/read/28809847/genome-wide-expression-datasets-of-anti-vegf-and-dexamethasone-treatment-of-angiogenesis-in-the-rat-cornea
#6
Anthony Mukwaya, Pierfrancesco Mirabelli, Anton Lennikov, Maria Xeroudaki, Mira Schaupper, Beatrice Peebo, Neil Lagali
Therapeutics against pathologic new blood vessel growth, particularly those targeting vascular endothelial growth factor (VEGF) are of enormous clinical interest. In the eye, where anti-VEGF agents are in widespread clinical use for treating retinal and corneal blindness, only partial or transient efficacy and resistance to anti-VEGF agents are among the major drawbacks. Conversely, corticosteroids have long been used in ophthalmology for their potency in suppressing inflammation and angiogenesis, but their broad biological activity can give rise to side effects such as glaucoma and cataract...
August 15, 2017: Scientific Data
https://www.readbyqxmd.com/read/28806949/case-report-of-ocular-kaposi-s-sarcoma
#7
Jing Yang, Xiao-Fang Yin, Yong-Ping Li, Shi-You Zhou
BACKGROUND: Kaposi's sarcoma (KS) is generally considered a neoplastic disorder of vascular origin and occurs in patients with acquired immunodeficiency syndrome (AIDS) or who have received immunosuppressive treatments after an organ transplant (Soulier et al., Blood 86(4):1276-80, 1995; Viejo-Borbolla and Schulz, AIDS Rev 5(4):222-9, 2003; Schulz, J Antimicrob Chemother 45(Suppl T3):15-27, 2000; Aversa et al. Crit Rev Oncol Hematol 53(3):253-65, 2005; Mbulaiteye and Engels, Int J Cancer 119(11):2685-91, 2006; Tessari et al...
August 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28803936/slurp1-promotes-corneal-angiogenic-privilege-by-suppressing-nuclear-translocation-of-nf%C3%AE%C2%BAb
#8
Sudha Swamynathan, Chelsea L Loughner, Shivalingappa K Swamynathan
Previously, we have reported that the Secreted Ly6/uPAR related protein-1 (SLURP1) serves an important immunomodulatory function in the ocular surface. Here, we examine the involvement of SLURP1 in regulating corneal angiogenic privilege. Slurp1 expression detected by QPCR, immunoblots and immunofluorescent stain, was significantly decreased in mouse corneas subjected to alkali burn-induced corneal neovascularization (CNV). Addition of exogenous SLURP1 (6XHis-tagged, E. coli expressed and partially purified using Ni-ion columns) significantly suppressed the tumor necrosis factor-α (TNF-α)-stimulated human umbilical cord vascular endothelial cell (HUVEC) tube formation...
August 10, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28803935/tnf-%C3%AE-upregulates-hif-1%C3%AE-expression-in-pterygium-fibroblasts-and-enhances-their-susceptibility-to-vegf-independent-of-hypoxia
#9
Kyoung Woo Kim, Soo Jin Lee, Jae Chan Kim
The clinical manifestations of pterygium are characterized by rapid growth and postoperative recurrences. We had previously proposed that hypoxia-inducible factor (HIF)-1α recruits progenitor cells during the development and progression of pterygia. Recently, it was reported that various stimuli, including inflammation, could activate HIF-1α even under normoxic conditions. The ocular surface directly faces external environments, and is thus frequently exposed to inflammatory insults. First, we examined the gene expression of HIF-1α, its downstream molecule, vascular endothelial growth factor (VEGF)-A, and VEGF receptor (VEGFR)-2 in corneal and conjunctival cells compared with cultured human umbilical vein endothelial cells...
August 10, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28801092/anterior-segment-optical-coherence-tomography-for-the-diagnosis-of-corneal-dystrophies-according-to-the-ic3d-classification
#10
REVIEW
Sebastian Siebelmann, Paula Scholz, Simon Sonnenschein, Björn Bachmann, Mario Matthaei, Claus Cursiefen, Ludwig M Heindl
Corneal dystrophies are categorized according to the International Committee for Classification of Corneal Dystrophies (IC3D) classification, and their treatment depends on the affected structures and layer of the cornea. Therefore, estimating the depth and extent of the morphological changes due to the specific dystrophy is crucial when deciding between different treatment options. Besides superficial laser treatments and penetrating keratoplasty, minimal invasive lamellar keratoplasties such as Descemet membrane endothelial keratoplasty), deep anterior lamellar keratoplasty, or Descemet stripping automated keratoplasty have become increasingly popular to exchange the specific opaque layers in dystrophic eyes...
August 8, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28799956/peripheral-blunt-dissection-using-a-microhoe-facilitated-method-for-descemet-membrane-endothelial-keratoplasty-donor-tissue-preparation
#11
Armand M Borovik, Mauricio Perez, Tova Lifshitz, Adi Einan-Lifshitz, Nir Sorkin, Tanguy Boutin, Mahmood Showail, Amir Rosenblatt, David S Rootman
PURPOSE: To describe a modified technique for Descemet membrane donor tissue preparation that facilitates the original Melles stripping technique. METHODS: Descemet membrane is prepared using a Rootman/Goldich modified Sloane microhoe, using a blunt instrument as opposed to a sharp blade or needle and begins dissection within the trabecular meshwork. The trabecular tissue is dissected for 360 degrees, and then Descemet membrane is stripped to approximately 50%. A skin biopsy punch is then used to create fenestration in the cornea, which is used to mark an "F...
August 9, 2017: Cornea
https://www.readbyqxmd.com/read/28799565/modified-technique-of-endocapsular-lens-aspiration-for-severely-subluxated-lenses
#12
S Khokhar, N Aron, N Yadav, G Pillay, E Agarwal
PurposeSeverely subluxated crystalline lenses pose a difficult situation to anterior segment surgeons and can only be managed surgically by removal of the lens as well as the capsular bag. Several techniques have been described in literature for the management of such cases. We describe a modified technique of endocapsular lens aspiration by the limbal route for lens extraction through small incisions on the cornea.Patients and methodsThirty-two eyes of 16 consecutive patients with severely subluxated crystalline lenses were recruited in the study...
August 11, 2017: Eye
https://www.readbyqxmd.com/read/28799562/ophthalmic-features-of-spinocerebellar-ataxia-type-7
#13
A Campos-Romo, E O Graue-Hernandez, L Pedro-Aguilar, J C Hernandez-Camarena, D Rivera-De la Parra, V Galvez, R Diaz, A Jimenez-Corona, J Fernandez-Ruiz
PurposeTo analyze the relation between ophthalmologic and motor changes in spinocerebellar ataxia type 7 (SCA7).Patients and methodsThis was a case series study. Sixteen SCA7 patients underwent a comprehensive ophthalmic examination, including ocular extrinsic motility testing, color vision test, and optical coherence tomography of the optic nerve and macula. Changes in the corneal endothelium, electroretinographic patterns, and a complete neurologic evaluation using the Scale for the Assessment and Rating of Ataxia (SARA) were evaluated...
August 11, 2017: Eye
https://www.readbyqxmd.com/read/28797649/comparison-of-manual-automated-analysis-methods-for-corneal-endothelial-cell-density-measurements-by-specular-microscopy
#14
Jianyan Huang, Jyotsna Maram, Tudor C Tepelus, Cristina Modak, Ken Marion, SriniVas R Sadda, Vikas Chopra, Olivia L Lee
PURPOSE: To determine the reliability of corneal endothelial cell density (ECD) obtained by automated specular microscopy versus that of validated manual methods and factors that predict such reliability. METHODS: Sharp central images from 94 control and 106 glaucomatous eyes were captured with Konan specular microscope NSP-9900. All images were analyzed by trained graders using Konan CellChek Software, employing the fully- and semi-automated methods as well as Center Method...
August 7, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28795242/prox1-gfp-flt1-dsred-transgenic-mice-an-animal-model-for-simultaneous-live-imaging-of-angiogenesis-and-lymphangiogenesis
#15
Wei Zhong, Xinbo Gao, Shuangyong Wang, Kyuyeon Han, Masatsugu Ema, Susanne Adams, Ralf H Adams, Mark I Rosenblatt, Jin-Hong Chang, Dimitri T Azar
The roles of angiogenesis in development, health, and disease have been studied extensively; however, the studies related to lymphatic system are limited due to the difficulty in observing colorless lymphatic vessels. But recently, with the improved technique, the relative importance of the lymphatic system is just being revealed. We bred transgenic mice in which lymphatic endothelial cells express GFP (Prox1-GFP) with mice in which vascular endothelial cells express DsRed (Flt1-DsRed) to generate Prox1-GFP/Flt1-DsRed (PGFD) mice...
August 9, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28794073/rock-inhibitors-for-the-treatment-of-ocular-diseases
#16
REVIEW
Ramin Nourinia, Shintaro Nakao, Souska Zandi, Sare Safi, Ali Hafezi-Moghadam, Hamid Ahmadieh
The Rho-kinase/ROCK (Rho-associated coiled-coil-containing protein kinase) pathway is involved in the pathogenesis of multiple ocular and systemic disorders. Recently, ROCK inhibitors have been suggested as novel treatments for various ocular diseases. Several in vitro, in vivo and clinical studies have demonstrated the safety and efficacy of ROCK inhibitors in the management of ocular disorders such as corneal epithelial and endothelial damage, glaucoma, retinal and choroidal neovascularisation, diabetic macular oedema and optic nerve disorders...
August 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28791075/effects-of-laser-peripheral-iridotomy-on-corneal-endothelial-cell-density-and-cell-morphology-in-primary-angle-closure-suspect-subjects
#17
Mohammad Rasoul Sabouri
No abstract text is available yet for this article.
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28791066/corneal-alterations-associated-with-pseudoexfoliation-syndrome-and-glaucoma-a-literature-review
#18
REVIEW
Joel R Palko, Owen Qi, Arsham Sheybani
A systematic literature review was performed evaluating articles examining the effects of pseudoexfoliation syndrome (PEX) and glaucoma (PEXG) on the cornea with a focus on the corneal endothelium. We searched for articles relevant to pseudoexfoliation syndrome, pseudoexfoliation glaucoma and corneal endothelial cell counts using Pubmed, Google Scholar Database, Web of Science and Cochrane Library databases published prior to September of 2016. We then screened the references of these retrieved papers and performed a Web of Science cited reference search...
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28782549/a-review-of-the-evidence-for-in-vivo-corneal-endothelial-regeneration
#19
REVIEW
Bert Van den Bogerd, Sorcha Ní Dhubhghaill, Carina Koppen, Marie-José Tassignon, Nadia Zakaria
Human corneal endothelium has long been thought to be a non-mitotic cell layer with no endogenous reparative potential. Pathologies that damage endothelial function result in corneal decompensation and, if untreated, blindness. The mainstay of treatment involves partial or complete corneal replacement, amounting to 40% of all corneal transplants performed worldwide. We summarize the case reports describing complications post-operatively in the form of (sub)total graft detachment and those resulting in post-operative bare stroma...
August 3, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28782089/the-role-of-lipids-in-corneal-diseases-and-dystrophies-a-systematic-review
#20
REVIEW
Tyler G Rowsey, Dimitrios Karamichos
Corneal diseases are an extensive cause of blindness worldwide and continue to persist as a challenging public health concern. Recently, various lipid-based therapies have been advocated for the modulation of corneal diseases; however, the number of studies is still very limited. Here we focus on developments and challenges on lipid-based therapies for dry eye disease, diabetic neuropathy, and Fuchs' endothelial corneal dystrophy. All three diseases are highly prevalent conditions and involve corneal stress and inflammation...
December 2017: Clinical and Translational Medicine
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