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Debarun Dutta, Ajay K Vijay, Naresh Kumar, Mark D P Willcox
Purpose: To determine the ability of antimicrobial peptide melimine-coated contact lenses to reduce the incidence of microbial keratitis (MK) in a rabbit model of contact lens wear. Methods: In vitro antimicrobial activity of melimine-coated contact lenses was determined against Pseudomonas aeruginosa by viable count and a radiolabeled assay. The amount of lipopolysaccharide (LPS) associated with bacteria bound to melimine-coated and control lenses was determined...
October 1, 2016: Investigative Ophthalmology & Visual Science
Ananya Tupaki-Sreepurna, Abdullah M S Al-Hatmi, Anupma J Kindo, Murugan Sundaram, G Sybren de Hoog
In this study, we aimed to present the first molecular epidemiological data from Chennai, India, analyse keratitis cases that have been monitored in a university hospital during 2 years, identify the responsible Fusarium species and determine antifungal susceptibilities. A total of 10 cases of keratitis were included in the study. Fusarium isolates were identified using the second largest subunit of the RNA polymerase gene (RPB2) and the translation elongation factor 1 alpha (TEF1). Antifungal susceptibility was tested by the broth microdilution method according to the Clinical and Laboratory Standards Institute (CLSI) methodology...
October 21, 2016: Mycoses
Guigang Li, Jingmin Guo, Rong Liu, Weikun Hu, Lingjuan Xu, Juan Wang, Subo Cai, Hong Zhang, Yingting Zhu
Background: To explore the prevalence of lacrimal duct obstruction in patients with infectious keratitis, and the necessity of lacrimal duct dredge in the treatment of human infectious keratitis. Methodology/Principle Findings: The design is prospective, non-control case series. Thirty-one eyes from twenty-eight continuous patients with infectious keratitis were included in this study. The presence/absence of lacrimal duct obstruction was determined by the lacrimal duct irrigation test. The diagnosis of infectious keratitis was made based on clinical manifestations, cornea scraping microscopic examination and bacterial/fungus culture...
2016: International Journal of Medical Sciences
A S Gauthier, S Tea, L Hustache Mathieu, C Schwartz, M Saleh, B Delbosc
Syphilis is a disease with ocular involvement may be opening and cover all ocular structures. The objective of the study was to retrospectively identify and describe all cases of ocular syphilis diagnosed in the ophthalmology department of Besançon University Hospital from March 2004 to April 2014. Between March 2004 and April 2014, we diagnosed and monitored 9 male patients (13 eyes) with ocular syphilis (1 interstitial keratitis, chorioretinitis associated with a 1 hyalite, 3 panuvéites, 1 chorioretinitis after placoid, 3 bilateral papillary edema)...
October 17, 2016: Journal Français D'ophtalmologie
Rongxin Chen, Guofu Huang, Shu Liu, Wenfang Ma, Xiaofang Yin, Shiyou Zhou
PURPOSE: This study compared the outcomes of a limbal conjunctival autograft (LCAG) with those of an amniotic membrane graft (AMG) followed by intraoperative 0.02 % mitomycin C (MMC) to treat recurrent pterygium. METHODS: In this randomized controlled trial, ninety-six eyes with recurrent pterygium were enrolled and randomly allocated into two groups using a computer-generated random number table. Pterygium removal was followed by intraoperative 0.02 % MMC for 3 min and then either LCAG or AMG transplantation...
October 20, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
Juan Rodriguez-Paris, Jörg Waldhaus, Jeenal A Gordhandas, Lynn Pique, Iris Schrijver
We characterized a novel GJB2 missense variant, c.133G>A, p.Gly45Arg, and compared it with the only other variant at the same amino acid position of the connexin 26 protein (Cx26) reported to date: c.134G>A, p.Gly45Glu. Whereas both variants are associated with hearing loss and are dominantly inherited, p.Gly45Glu has been implicated in the rare fatal keratitis-ichthyosis-deafness (KID) syndrome, which results in cutaneous infections and septicemia with premature demise in the first year of life. In contrast, p...
2016: PeerJ
Q F Liang, C Gao, H Liang, B Li, X H Du, Antoine Labbe
Objective: To observe the characteristics of pterygium with in vivo confocal microscopy (IVCM) and understand pterygium activity with the density of inflammatory cells, formation of new blood vessels, and the number of activated keratocytes within the stroma. Methods: A prospective case-controlled study. Thirty-six pterygia from 28 patients were analyzed in this study. A pterygium activity score was obtained by summing four scores of ocular discomfort, pterygium hyperemia, keratitis, and the presence of Fuchs patches...
October 11, 2016: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
David T Truong, Minh-Thuy Bui, H Dwight Cavanagh
PURPOSE: To review the epidemiology, risk factors, microbiologic spectrum, and treatment of microbial keratitis during a 5-year period at an urban public hospital in comparison with an adjacent private university practice. METHODS: Retrospective chart review in the 5-year interval, 2009 through 2014. Primary outcome measures included patient age at presentation, best-corrected visual acuity (BCVA), risk factors, culture and sensitivities, treatment, and complication occurrence...
October 7, 2016: Eye & Contact Lens
Juan Carlos Serna-Ojeda, Denise Loya-Garcia, Alejandro Navas, Alejandro Lichtinger, Arturo Ramirez-Miranda, Enrique O Graue-Hernandez
PURPOSE: To analyze the characteristics and long-term outcomes of patients that underwent pediatric penetrating keratoplasty (PPK) for herpes simplex virus (HSV) keratitis. DESIGN: Retrospective, interventional, consecutive case series. METHODS: Observational report of outcomes and findings. Nine patients with history of HSV keratitis that underwent PPK and were followed in a single institution. Difference between the median preoperative and final best-corrected visual acuity (BCVA) was assessed and the outcomes are reported...
October 13, 2016: American Journal of Ophthalmology
G K P Cruz, S B da Silva, I C de Azevedo, D P S R P Carvalho, P F Meireles, M A F Júnior, A F Vitor
BACKGROUND: The purpose of the study was to characterize the epidemiological profile and average time on the waiting list of patients undergoing an urgent corneal transplantation (CT) in a referral center in the state of Rio Grande do Norte, northeastern Brazil. METHODS: This cross-sectional study included cases of urgent corneal transplants performed in a referral center from January 2010 to December 2014. Data were collected between January and March 2015. RESULTS: Seventy-four cases of emergency CT were analyzed...
September 2016: Transplantation Proceedings
Isabel Barranco-Fernández, Alberto García-Salido, Montserrat Nieto-Moro, Montserrat Sierra-Colomina, Belén Gutierrez-Partida, Inmaculada de Prada-Vicente, Antonio Torrelo-Fernández, Ana Serrano-González
Fusarium species are a known cause of ocular infection. The misuse of contact lenses is the main risk factor in immunocompetent people. In immunocompromised patients, Fusarium infection can produce local and/or systemic invasive fusariosis which is associated with complications, poor prognosis and low response to treatment.Fusarium ocular infection can evolve to keratitis, endophthalmitis and, in extreme cases, ocular perforation. We report, for the first time in children, the case of a 5 year old girl diagnosed with toxic epidermal necrolysis who developed Fusarium ocular infection requiring ocular enucleation...
October 12, 2016: Pediatric Infectious Disease Journal
Simon K H Szeto, Tommy C Y Chan, Raymond L M Wong, Alex L K Ng, Emmy Y M Li, Vishal Jhanji
PURPOSE: To investigate the prevalence of ocular manifestations and visual outcomes in patients with herpes zoster ophthalmicus (HZO). METHODS: Consecutive cases diagnosed with HZO who attended 2 hospitals between July 1, 2011, and June 30, 2015, were retrospectively reviewed. Patient demographics, clinical presentations, and management were reviewed. The logistic regression model was used to estimate the odds ratio of visual loss with ocular manifestations. RESULTS: A total of 259 patients were included...
October 12, 2016: Cornea
Ali Kal, Mustafa Ilker Toker, Serpil Kaya
PURPOSE: The aim of this study was to compare the effects of widely used multipurpose contact lens solutions against Staphylococcus aureus and Pseudomonas aeruginosa, in addition to cystic and trophozoite forms of Acanthamoeba castellanii and A. polyphaga, that cause microbial keratitis. METHODS: Three multipurpose solutions were tested: SOLO-care, ReNu, and Opti-Free Express. The test solutions were challenged with P. aeruginosa (ATCC 27853) and S. aureus (ATCC 2913) based on the ISO stand-alone and regiment test procedure for disinfecting products, A...
October 13, 2016: International Ophthalmology
Juntao Yin, Cuiyu Xiang, Guangxiu Lu
Palmatine (PM) is a potent anti-infective agent used to treat eye diseases. However, PM is less effective for ocular application due to short residence time within the eyes. This study aimed to develop a cationic lipid emulsions (CLEs) for ophthalmic delivery of PM and evaluate its suitability in infection treatment. PM-loaded CLEs (PM-CLEs) were prepared through emulsifying/high pressure homogenization and characterized by particle size, ζ potential and morphology. The resulting PM-CLEs possessed a particle size of 192 nm and ζ potential of 45 mV around...
October 13, 2016: Journal of Microencapsulation
Yonguk Kim, Seung-Young Yu, Hyung Woo Kwak
PURPOSE: To describe the clinical manifestations and treatment outcomes of ocular syphilis in patients without human immunodeficiency virus (HIV) infection. METHODS: A total of 45 eyes from 39 patients with ocular syphilis confirmed by serologic tests were reviewed retrospectively. The included cases were all non-HIV-infected patients presenting with intraocular inflammation from 2002 to 2014 at Kyung Hee University Hospital. Medical records of 45 eyes were analyzed and included best-corrected visual acuity and ophthalmologic examination findings of the anterior and posterior segments to determine the focus of inflammation...
October 2016: Korean Journal of Ophthalmology: KJO
Myhanh Nguyen, Jay Siak, Soon-Phaik Chee, Vo Quang Hong Diem
PURPOSE: To describe the pattern of uveitis among Vietnamese at two eye hospitals in Southern Vietnam. METHODS: We retrospectively reviewed the charts of 212 consecutive uveitis cases that presented to two eye hospitals in Ho Chi Minh City, Vietnam, from July 2011 to February 2015. The patients were identified from a database maintained by the hospitals. Patients with keratitis, episcleritis, orbital inflammation, post-surgical endophthalmitis, traumatic iritis, and corneal graft rejection were excluded...
October 11, 2016: Ocular Immunology and Inflammation
Takashi Suzuki, Naoyuki Morishige, Reiko Arita, Shizuka Koh, Tohru Sakimoto, Rika Shirakawa, Kazunori Miyata, Yuichi Ohashi
BACKGROUND: Phlyctenular keratitis is a hypersensitivity reaction of the cornea, and a complication of eyelid margin disease in children and young adults. In this study, we compared the morphology of the meibomian glands in eyelids between phlyctenular keratitis patients and healthy young adults, using noncontact meibography. METHODS: The study included 16 eyes of 13 patients diagnosed with phlyctenular keratitis and 17 eyes of 17 healthy volunteers. Slit-lamp observations of the cornea and eyelid were performed on all subjects...
October 10, 2016: BMC Ophthalmology
Yusuf Koçluk, Emine Alyamaç Sukgen
PURPOSE: This study aimed to report the results of therapeutic penetrating keratoplasty (TPKP) performed at early and late stage of keratitis. METHODS: The study involved patients who underwent TPKP surgery due to bacterial, fungal, or mixed (bacterial and fungal) keratitis. The patients were divided into two groups. Group 1 (13 patients) was the patients operated at early stage of corneal abscess formation or in 15 days after the start of keratitis and group 2 (12 patients) was the patients operated at late stage of keratitis or after at least 15 days after the initial appearance of symptoms...
October 8, 2016: International Ophthalmology
Yijun Cai, Jorge L Alio Del Barrio, Mark R Wilkins, Marcus Ang
PURPOSE: Recently, optical coherence tomography angiography (OCTA) has been used to successfully delineate vessels within the retina. This current study aims to assess corneal vascularization secondary to herpetic keratitis pre- and post-treatment using serial OCTA imaging adapted for the anterior segment. METHODS: All eyes were scanned using the split-spectrum amplitude decorrelation angiography (SSADA) algorithm on the AngioVue OCTA system (Optovue Inc. Fremont, CA, USA) with an anterior segment lens adapter...
October 8, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
Jianzhang Hu, Jingjin Zhang, Yanling Li, Xiaoli Han, Weidong Zheng, Juan Yang, Guoxing Xu
Purpose. To evaluate the efficacy of a combination of intrastromal and intracameral injections of amphotericin B in the treatment of severe recalcitrant fungal keratitis. Methods. Patients with severe fungal keratitis who were resistant to conventional antifungal medical treatments and needed potential surgical intervention were recruited at the First Affiliated Hospital of Fujian Medical University between January 2012 and July 2013. The patients were treated with a combination of intrastromal and intracameral injections of amphotericin B (25 μg/mL and 50 μg/mL, resp...
2016: Journal of Ophthalmology
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