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https://www.readbyqxmd.com/read/28437176/echinocandins-in-ocular-therapeutics
#1
Akash Patil, Soumyajit Majumdar
Fungal infections of the eye, especially fungal keratitis and endophthalmitis, are major causes of concern and if left untreated could lead to vision loss. Currently, natamycin (polyene antifungal) is the only commercially available topical agent used for the treatment of ocular fungal infections. The other antifungals, belonging to the polyene and azole classes, are used off-label in treating ocular infections and are administered topically, orally, intraocularly, or systemically. Even though their use through the different routes of administration has shown favorable outcomes, challenges such as poor ocular penetration, low bioavailability, ocular toxicity, and systemic side effects limit their utility...
February 24, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28435213/comparison-of-0-2-and-0-18-hyaluronate-eye-drops-in-patients-with-moderate-to-severe-dry-eye-with-keratitis-or-keratoconjunctivitis
#2
Dorothea Groß, Marc Childs, Jean-Marie Piaton
PURPOSE: Comparison of efficacy and safety of 0.2% and 0.18% hyaluronic acid (HA) eye drops three times a day (tid) in patients with moderate to severe dry eye disease, related to keratitis or keratoconjunctivitis. PATIENTS AND METHODS: Prospective, multicenter, randomized, single-masked, phase IIIb, noninferiority study (0.2% HA vs 0.18% HA) in two parallel groups over a period of 84 days. N=70 patients were evaluated. Primary efficacy outcome was ocular surface (OS) staining change on day 35 (D35), compared to baseline...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28434069/herpes-zoster-keratitis-development-after-acute-retinal-necrosis
#3
Waseem H Ansari, Francesco Pichi, Paula E Pecen, Careen Y Lowder, Sunil K Srivistava
PURPOSE: To report a case of herpes zoster keratitis in a patient undergoing treatment for herpetic acute retinal necrosis. METHODS: Case report. RESULTS: A 71 year old male presented with acute retinal necrosis of the left eye due to herpes zoster and was treated with intravitreal foscarnet and oral valcyclovir. He developed a retinal detachment and underwent surgical repair. After four weeks, he developed an ipsilateral herpetic zoster keratitis demonstrated by Rose-Bengal staining that was responsive to topical ganciclovir gel...
April 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28432932/surveillance-of-vittaforma-corneae-in-hot-springs-by-a-small-volume-procedure
#4
Jung-Sheng Chen, Tsui-Kang Hsu, Bing-Mu Hsu, Tung-Yi Huang, Yu-Li Huang, Men-Fang Shaio, Dar-Der Ji
Vittaforma corneae is an obligate intracellular fungus and can cause human ocular microsporidiosis. Although accumulating reports of V. corneae causing keratoconjunctivitis in both healthy and immunocompromised persons have been published, little is known about the organism's occurrence in aquatic environments. Limitations in detection sensitivity have meant a large sampling volume is required to detect the pathogen up to now, which is problematic. A recent study in Taiwan has shown that some individuals suffering from microsporidial keratitis (MK) were infected after exposure to the pathogen at a hot spring...
April 19, 2017: Water Research
https://www.readbyqxmd.com/read/28430730/comment-on-chlorhexidine-keratitis
#5
Kenneth D Steinsapir, Julie Woodward
No abstract text is available yet for this article.
April 19, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28426883/challenges-in-the-management-of-fungal-keratitis
#6
Bennie H Jeng
No abstract text is available yet for this article.
April 20, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28426856/adjunctive-oral-voriconazole-treatment-of-fusarium-keratitis-a-secondary-analysis-from-the-mycotic-ulcer-treatment-trial-ii
#7
N Venkatesh Prajna, Tiruvengada Krishnan, Revathi Rajaraman, Sushila Patel, Ranjeet Shah, Muthiah Srinivasan, Lumbini Devi, Manoranjan Das, Kathryn J Ray, Kieran S O'Brien, Catherine E Oldenburg, Stephen D McLeod, Michael E Zegans, Nisha R Acharya, Thomas M Lietman, Jennifer Rose-Nussbaumer
Importance: Fusarium keratitis is common and often results in poor outcomes. No new treatments since natamycin have become available. Objective: To explore the role of adjuvant oral voriconazole on clinical outcomes in Fusarium keratitis. Design, Setting, and Participants: In this prespecified subgroup analysis of a multicenter, double-masked, placebo-controlled randomized clinical trial, 240 patients from the Aravind Eye Care System in India, the Lumbini Eye Hospital and Bharatpur Eye Hospital in Nepal, and the University of California, San Francisco, who had culture-positive fungal ulcer and baseline visual acuity of 20/400 or worse were randomized to receive oral voriconazole vs placebo...
April 20, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28426414/amoebicidal-activity-of-%C3%AE-bisabolol-the-main-sesquiterpene-in-chamomile-matricaria-recutita-l-essential-oil-against-the-trophozoite-stage-of-acanthamoeba-castellani-neff
#8
Soumaya Hajaji, Ines Sifaoui, Atteneri López-Arencibia, María Reyes-Batlle, Basilio Valladares, José E Pinero, Jacob Lorenzo-Morales, Hafidh Akkari
Acanthamoeba genus includes opportunistic pathogens which are distributed worldwide and are causative agents of a fatal encephalitis and severe keratitis in humans and other animals. Until present there are not fully effective therapeutic agents against this pathogen and thus the need to search for novel anti-amoebic compounds is urgent. Recently, essential oils of aromatic and medicinal plants have shown activity against Acanthamoeba strains. Therefore, this study was aimed to evaluate the activity of main component of chamomile essential oil (a sesquiterpene) namely α-bisabolol against the Acanthamoeba castellani Neff strain...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426408/isolation-and-molecular-characterization-of-a-naegleria-strain-from-a-recreational-water-fountain-in-tenerife-canary-islands-spain
#9
María Reyes-Batlle, Carolina Wagner, Atteneri López-Arencibia, Ines Sifaoui, Enrique Martínez-Carretero, Basilio Valladares, Jose E Piñero, Jacob Lorenzo-Morales
Free-Living Amoebae (FLA) are widely distributed protozoa in the environment and have been isolated from many sources such as dust, soil and water. Among the pathogenic genera included in this group Acanthamoeba spp., Naegleria fowleri and Balamuthia mandrillaris have been reported to be causative agents of lethal encephalitis, disseminated infections and keratitis. Naegleria fowleri is a pathogenic FLA species which causes Primary Amoebic Meningoencephalitis (PAM). At present there are not many available data on the distribution of Naegleria species in Spain from environmental sources...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426277/topical-ganciclovir-in-cytomegalovirus-anterior-uveitis
#10
Joelle Antoun, François Willermain, Dorine Makhoul, Elie Motulsky, Laure Caspers, Lia Judice Relvas
PURPOSE: To study the effects of topical ganciclovir 0.15% gel on cytomegalovirus (CMV) anterior uveitis in a tertiary uveitis referral center in Brussels, Belgium. METHODS: A retrospective study of patients with a clinical diagnosis of CMV anterior uveitis/endotheliitis demonstrated by a positive polymerase chain reaction and/or Goldmann-Witmer coefficient (GWc). RESULTS: We report a series of 15 patients presenting clinical characteristics of CMV anterior uveitis...
April 20, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28421398/supradescemetic-voriconazole-injection-for-candida-parapsilosis-keratitis
#11
Nikolaos Mamas, Konstantinos Andreanos, Klio Chatzistefanou, Petros Petrou, Dimitrios Brouzas, George Kymionis, Chrysanthi Koutsandrea, Konstantinos Droutsas
PURPOSE: To describe a technique for intracorneal application of voriconazole into the supradescemetic space in a case of deep recalcitrant Candida parapsilosis keratitis of a penetrating cornea graft. METHODS: A deep intracorneal incision reaching the center of the corneal infiltrate was created with a 20-gauge MVR blade. Then, a 27-gauge hydrodissection cannula was inserted deep into the corneal pocket, and 0.1 ml of voriconazole 0.5 mg/ml was injected until a bullous detachment of Descemet membrane (DM) covered 1/3 of the graft's area...
April 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28420926/femto-lasik-the-recent-innovation-in-laser-assisted-refractive-surgery
#12
Zubair Shahid Bashir, Muhammad Hassaan Ali, Ayesha Anwar, Muhammad Hammad Ayub, Nadeem Hafeez Butt
Femtosecond laser has been introduced in refractive surgery to create a thin-hinged corneal flap without using any blade. The current review was planned to analyse and compare femtosecond-assisted laser in-situ keratomileusis (LASIK), the latest refractive procedure, with conventional techniques in refractive surgery. The analysis showed that femtosecond-assisted LASIK yielded more predictable corneal flaps, lesser ocular aberrations, better uncorrected visual acuity, lesser variations in intraocular pressure (IOP) and fewer chances of developing dry eyes...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28417524/biofilms-of-candida-spp-from-the-ocular-conjunctiva-of-horses-with-reduced-azole-susceptibility-a-complicating-factor-for-the-treatment-of-keratomycosis
#13
Raimunda Sâmia Nogueira Brilhante, Paula Vago Bittencourt, Débora de Souza Collares Castelo-Branco, Glaucia Morgana de Melo Guedes, Jonathas Sales de Oliveira, Lucas Pereira Alencar, Rossana de Aguiar Cordeiro, Mariana Pinheiro, Evilázio Fernandes Nogueira-Filho, Waldemiro de Aquino Pereira-Neto, José Júlio Costa Sidrim, Marcos Fábio Gadelha Rocha
OBJECTIVES: This study aimed to assess the biofilm-forming ability of Candida spp. from the ocular conjunctiva of horses and to investigate the antifungal susceptibility of these biofilms. PROCEDURES: Initially, the biofilm-forming ability of 15 strains was assessed by crystal violet staining, which reveals the fungal biomass adhered to the polystyrene plates, and scanning electron microscopy. Then, the minimum inhibitory concentrations (MICs) of amphotericin B, fluconazole, itraconazole, and caspofungin were initially determined against strains in planktonic form...
April 18, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28412805/-the-observation-of-tacrolimus-eye-drops-preventing-the-early-immunological-rejection-after-penetrating-keratoplasty-for-fungal-keratitis
#14
D M Xiang, Y X Wang, Y N Jia, S X Li, H L Zhai, W Y Shi, H Gao
Objective: To observe the early immunological rejection prevention effect of tacrolimus eye drops combined with glucocorticoids on fungal keratitis patients who received penetrating keratoplasty (PKP). Methods: In a retrospective case series study, medical records of fungal keratitis patients who received PKP in Shandong Eye Institute from March 2013 to December 2015 were reviewed. Twenty-six patients (26 eyes) were given tacrolimus eye drops, and 24 patients (24 eyes) were given 1% cyclosporine A eye drops immediately after PKP...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28410358/reactivation-of-herpes-zoster-keratitis-with-corneal-perforation-after-zoster-vaccination
#15
Andre Jastrzebski, Seymour Brownstein, Setareh Ziai, Solin Saleh, Kay Lam, W Bruce Jackson
PURPOSE: We present a case of reactivated herpes zoster keratouveitis of 6 years duration with corneal perforation requiring penetrating keratoplasty shortly after inoculation with herpes zoster vaccine (Zostavax, Merck, Quebec, Canada). METHODS: Retrospective case report. RESULTS: A 67-year-old woman with a 5-year history of recurrent unilateral herpes zoster keratouveitis in her right eye presented with another recurrence 2 weeks after Zostavax vaccination...
April 12, 2017: Cornea
https://www.readbyqxmd.com/read/28410356/water-exposure-is-a-common-risk-behavior-among-soft-and-gas-permeable-contact-lens-wearers
#16
Aaron B Zimmerman, Kathryn Richdale, Gladys Lynn Mitchell, Beth T Kinoshita, Dawn Y Lam, Heidi Wagner, Luigina Sorbara, Robin L Chalmers, Sarah A Collier, Jennifer R Cope, Maya M Rao, Michael J Beach, Jonathan S Yoder
PURPOSE: To understand soft contact lens (SCL) and gas-permeable (GP) lens wearers' behaviors and knowledge regarding exposure of lenses to water. METHODS: The Contact Lens Risk Survey (CLRS) and health behavior questions were completed online by a convenience sample of 1056 SCL and 85 GP lens wearers aged 20 to 76 years. Participants were asked about exposing their lenses to water and their understanding of risks associated with these behaviors. Chi-square analyses examined relationships between patient behaviors and perceptions...
April 13, 2017: Cornea
https://www.readbyqxmd.com/read/28407169/collagen-cross-linking-with-photoactivated-riboflavin-pack-cxl-for-bacterial-keratitis-after-small-incision-lenticule-extraction-smile
#17
Tommy C Y Chan, Vanissa W S Chow, Vishal Jhanji
PURPOSE: To report a case of infectious keratitis after small incision lenticule extraction (SMILE) treated with collagen cross-linking with photoactivated riboflavin (PACK-CXL). METHODS: Case report and literature review. RESULTS: A patient presented with culture-proven bacterial keratitis 5 days after SMILE was treated with fortified topical antibiotics and PACK-CXL. Irrigation of the corneal cap-stromal bed interface, which can be difficult and affect visual outcomes, was not performed...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28392838/global-gene-expression-in-escherichia-coli-isolated-from-the-diseased-ocular-surface-of-the-human-eye-with-a-potential-to-form-biofilm
#18
Konduri Ranjith, Kotakonda Arunasri, Gundlapally Sathyanarayana Reddy, HariKrishna Adicherla, Savitri Sharma, Sisinthy Shivaji
BACKGROUND: Escherichia coli, the gastrointestinal commensal, is also known to cause ocular infections such as conjunctivitis, keratitis and endophthalmitis. These infections are normally resolved by topical application of an appropriate antibiotic. But, at times these E. coli are resistant to the antibiotic and this could be due to formation of a biofilm. In this study ocular E. coli from patients with conjunctivitis, keratitis or endophthalmitis were screened for their antibiotic susceptibility and biofilm formation potential...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28390092/clinical-impact-of-inflammation-in-dry-eye-disease-proceedings-of-the-odissey-group-meeting
#19
REVIEW
Christophe Baudouin, Murat Irkeç, Elisabeth M Messmer, José M Benítez-Del-Castillo, Stefano Bonini, Francisco C Figueiredo, Gerd Geerling, Marc Labetoulle, Michael Lemp, Maurizio Rolando, Gysbert Van Setten, Pasquale Aragona
Dry eye disease (DED) is a common, multifactorial ocular condition with major impact on vision and quality of life. It is now well recognized that the pathophysiology of chronic DED can include a cycle of inflammation involving both innate and adaptive immune responses. Recently, in vitro/in vivo models have been used to obtain a better understanding of DED-related inflammatory processes at molecular/cellular levels although they do not truly reproduce the complex and chronic hallmarks of human DED. In clinical DED research, advanced techniques such as impression cytology, conjunctival biopsy, in vivo confocal microscopy and multiplex tear analyses have allowed an improved assessment of inflammation in DED patients...
April 8, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28387537/using-phase-ii-data-for-the-analysis-of-phase-iii-studies-an-application-in-rare-diseases
#20
Simon Wandel, Beat Neuenschwander, Christian Röver, Tim Friede
BACKGROUND: Clinical research and drug development in orphan diseases are challenging, since large-scale randomized studies are difficult to conduct. Formally synthesizing the evidence is therefore of great value, yet this is rarely done in the drug-approval process. Phase III designs that make better use of phase II data can facilitate drug development in orphan diseases. METHODS: A Bayesian meta-analytic approach is used to inform the phase III study with phase II data...
March 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
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