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https://www.readbyqxmd.com/read/28646191/prednisolone-induces-apoptosis-in-corneal-epithelial-cells-through-the-intrinsic-pathway
#1
Jin Suk Ryu, Jung Hwa Ko, Mee Kum Kim, Won Ryang Wee, Joo Youn Oh
Glucocorticoid eye drops are one of the most widely used medications in ophthalmology. However, little is known about the effects of glucocorticoids on corneal epithelial cells that are directly exposed to topically-administered glucocorticoids. Here we investigated the effects of prednisolone, a synthetic glucocorticoid analogue frequently used in the clinic, on corneal epithelial cells. Results showed that prednisolone decreased survival of corneal epithelial cells by inhibiting proliferation and inducing apoptosis in a dose-dependent manner...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645677/dry-eye-and-meibomian-gland-dysfunction-with-meibography-in-patients-with-lamellar-ichthyosis
#2
Melis Palamar, Irmak Karaca, Huseyin Onay, Ilgen Ertam, Ayse Yagci
PURPOSE: To evaluate the dry eye findings and Meibomian gland dysfunction as demonstrated with meibography in patients with lamellar ichthyosis. METHODS: Twenty-four eyes of 12 patients with lamellar ichthyosis (Group 1) and twenty-four eyes of 12 healthy individuals (Group 2) were enrolled. Comprehensive eye examination along with corneal and conjunctival fluorescein staining with Oxford scoring, tear film break-up time, Schirmer 1 test, ocular surface disease index (OSDI) score assessment, and evaluation of upper and lower eyelid Meibomian glands using infrared filter of slit-lamp biomicroscope (SL-D701, TOPCON, Tokyo, Japan) were performed...
June 20, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28644862/high-intensity-corneal-collagen-crosslinking-with-riboflavin-and-uva-in-rat-cornea
#3
Yirui Zhu, Peter S Reinach, Hanlei Zhu, Qiufan Tan, Qinxiang Zheng, Jia Qu, Wei Chen
Corneal collagen cross-linking (CXL) halts human corneal ectasias progression by increasing stromal mechanical stiffness. Although some reports describe that this procedure is effective in dealing with some infectious and immunologic corneal thinning diseases, there is a need for more animal models whose corneal thickness more closely resemble those occurring in these patients. To meet this need, we describe here high-intensity protocols that are safe and effective for obtaining CXL in rat corneas. Initially, a range of potentially effective UVA doses were evaluated based on their effectiveness in increasing tissue enzymatic resistance to dissolution...
2017: PloS One
https://www.readbyqxmd.com/read/28644234/efficacy-of-sodium-hyaluronate-in-murine-diabetic-ocular-surface-diseases
#4
Guohu Di, Xia Qi, Xiaowen Zhao, Songmei Zhang, Qingjun Zhou
PURPOSE: To evaluate the efficacy of sodium hyaluronate (HA) eye drops for the treatment of diabetic ocular surface diseases in mice. METHODS: Male 6- to 8-week-old C57BL/6 mice underwent induction of type 1 diabetes with intraperitoneal injections of streptozotocin, with normal mice as the control. Topical 0.3% HA, 0.1% HA, 0.4% polyethylene glycol eye drops, and normal saline were administered to diabetic mice with an intact or debrided corneal epithelium. Normal saline was applied in the controls...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28643528/modulating-release-of-ranibizumab-and-aflibercept-from-thiolated-chitosan-based-hydrogels-for-potential-treatment-of-ocular-neovascularization
#5
Miguel Moreno, Poh Yih Pow, Tan Su Teng Tabitha, Sonali Nirmal, Andreas Larsson, Krishna Radhakrishnan, Jayabalan Nirmal, Soo Tng Quah, Susana Geifman Shochat, Rupesh Agrawal, Subbu Venkatraman
BACKGROUND: This paper describes the synthesis of thiolated chitosan-based hydrogels with varying degrees of crosslinking that has been utilized to modulate release kinetics of two clinically relevant FDA-approved anti-VEGF protein drugs, ranibizumab and aflibercept. These hydrogels have been fabricated into disc shaped structures for potential use as patches on ocular surface. METHODS: Protein conformational changes and aggregation after loading and release was evaluated by circular dichroism (CD), steady-state tryptophan fluorescence spectroscopy, electrophoresis and size-exclusion chromatography (SEC)...
June 23, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/28640227/impact-of-mycotoxins-secreted-by-aspergillus-molds-on-the-inflammatory-response-of-human-corneal-epithelial-cells
#6
Yélian Marc Bossou, Youssra Serssar, Amel Allou, Sandrine Vitry, Isabelle Momas, Nathalie Seta, Jean Menotti, Sophie Achard
Exposure to molds and mycotoxins not only contributes to the onset of respiratory disease, it also affects the ocular surface. Very few published studies concern the evaluation of the effect of mycotoxin exposure on ocular cells. The present study investigates the effects of aflatoxin B₁ (AFB₁) and gliotoxin, two mycotoxins secreted by Aspergillus molds, on the biological activity of the human corneal epithelial (HCE) cells. After 24, 48, and 72 h of exposure, cellular viability and inflammatory response were assessed...
June 22, 2017: Toxins
https://www.readbyqxmd.com/read/28638660/analysis-of-clinical-characteristics-of-immune-related-dry-eye
#7
Hua Wang, Ping-Bao Wang, Ting Chen, Jing Zou, Ya-Jia Li, Xu-Fang Ran, Qiang-Xiang Li
AIM: To discuss the clinical characteristics of immune-related dry eye. METHODS: Simple dry eye (SDE) group: we selected 224 patients of simple dry eye with no systemic lesions. Immune-related dry eye (IRDE) group: we selected 207 patients of dry eye complicated with immune system diseases, including 70 cases of Sjögren's syndrome (SS), 72 cases of systemic lupus erythematosus (SLE), and 65 cases of rheumatoid arthritis (RA). The classification of all patients was performed...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28637904/ifn-%C3%AE-expressing-th17-cells-are-required-for-development-of-severe-ocular-surface-autoimmunity
#8
Yihe Chen, Sunil K Chauhan, Chunyi Shao, Masahiro Omoto, Takenori Inomata, Reza Dana
Th17 cells are critical effectors mediating the ocular surface autoimmunity in dry eye disease (DED). Increased IFN-γ has also been implicated in DED; however, it remains unclear to what extent Th1 cells contribute to DED pathogenesis. In this study, we investigated the cellular source of IFN-γ and assessed its contribution to corneal epitheliopathy in DED mice. We discovered a significant IL-17A(+)IFN-γ(+) (Th17/1) population and determined that these cells are derived from Th17 precursors. Adoptive transfer of Th17/1, but not Th1, cells confers the disease to naive recipients as effectively as do Th17 cells alone...
June 21, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28627956/evaluating-the-effects-of-botulinum-toxin-a-on-tear-metrics-in-patients-with-hemifacial-spasm
#9
Yasmin Poustchi Mali, Robert L Schultze, Edward J Wladis
Hemifacial spasm has been previously shown to result in dry eye and ocular surface diseases. This study was performed to assess the impact of chemodenervation with botulinum toxin on clinically-relevant metrics of tears. Tear osmolarity and lipid layer thickness were measured in patients with hemifacial spasm after they achieved relief from hemifacial spasm via botulinum toxin injections. Twelve eyes of 6 patients with hemifacial spasm (2 men and 4 women; mean age 55.5 years) were assessed in accordance with the Declaration of Helsinki and IRB approval...
June 19, 2017: Orbit
https://www.readbyqxmd.com/read/28626853/conjunctival-melanoma-in-southwestern-nigeria-a-case-series-and-review-of-literature
#10
Oluyemi Fasina, Olayiwola A Oluwasola
PURPOSE: Conjunctival melanoma is a rare tumor worldwide and is extremely rare among black population. This study aims to report the demographics, clinical presentation, treatment, and outcome of patients seen in an indigenous black population in Southwestern Nigeria. METHODS: All patients histologically diagnosed with conjunctival melanoma and managed in the facility were reviewed. Their demographics, clinical presentation, treatment received, outcome of treatment, and histopathological features were analyzed...
June 19, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28622318/characteristics-of-symptoms-experienced-by-persons-with-dry-eye-disease-while-driving-in-china
#11
Y Wang, H Lv, Y Liu, X Jiang, M Zhang, X Li, W Wang
PurposeTo assess the vision-related quality of life and self-reported driving performance of patients with dry eye disease (DED).Patients and methodsThe study was performed in the eye centre of Peking University Third Hospital, China. In total, 87 dry eye patients and 42 controls were enroled, including 49 patients without any treatment (group A), 38 patients treated with artificial tears (group B) and 42 controls without DED (group C). The participants had no eye disease other than DED. Scores of a vision-related quality-of-life questionnaire (Ocular Surface Disease Index (OSDI)), a daily life-related visual function questionnaire and a questionnaire about performance during driving were collected...
June 16, 2017: Eye
https://www.readbyqxmd.com/read/28620707/treatment-of-patients-with-neurotrophic-keratitis-stages-2-and-3-with-plasma-rich-in-growth-factors-prgf-endoret-eye-drops
#12
Ronald Mauricio Sanchez-Avila, Jesus Merayo-Lloves, Ana Cristina Riestra, Luis Fernandez-Vega Cueto, Eduardo Anitua, Leire Begoña, Francisco Muruzabal, Gorka Orive
PURPOSE: To provide preliminary data about efficacy and safety of plasma rich in growth factors (PRGF) eye-drops in neurotrophic keratitis (NK) and to analyze the possible influence of certain variables on treatment outcomes. METHODS: This retrospective study included patients with stages 2-3 of NK treated with PRGF eye-drops. Primary endpoint was the resolution time of corneal ulcer defect. Outcome measures including percentage of ulcer closure at 4 weeks, Ocular Surface Disease Index (OSDI), Best-Corrected Visual Acuity (BCVA) and Visual Analogue Scale (VAS) were also evaluated before and after treatment with PRGF...
June 15, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28617732/the-effects-of-latanoprost-with-benzalkonium-chloride-versus-travoprost-with-sofzia-on-the-ocular-surface
#13
Kamran Rahmatnejad, Christopher J Rapuano, Parul Ichhpujani, Sheryl S Wizov, Marlene R Moster, Lisa A Hark, L Jay Katz
PURPOSE: To assess ocular surface changes in participants using latanoprost with benzalkonium chloride (Xalatan) and travoprost with SofZia (Travatan Z). METHODS: In this prospective, open-label, nonrandomized cohort study, participants were classified into two groups: group 1 (n=28) naive to glaucoma therapy, group 2 (n=27) on previous Xalatan monotherapy in both eyes. Both groups started (or continued) Xalatan in the right eye and Travatan Z in the left eye. Baseline, 1-, and 2-month measurements of tear breakup time (TBUT), corneal staining score, conjunctival staining score, conjunctival hyperemia score, tear production, and intraocular pressure were obtained...
June 14, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28617729/demographic-characteristics-and-prescribing-patterns-of-scleral-lens-fitters-the-scope-study
#14
Cherie B Nau, Jennifer Harthan, Ellen Shorter, Joseph Barr, Amy Nau, Nicolette T Chimato, David O Hodge, Muriel M Schornack
OBJECTIVES: This study reports demographic characteristics of scleral lens providers and indications for scleral lens prescription as assessed by a worldwide online survey. METHODS: The Scleral Lenses in Current Ophthalmic Practice: an Evaluation (SCOPE) study group designed the online survey regarding current scleral lens prescription and management practices. The Mayo Clinic Survey Research Center administered the survey, which was open from January 15 to March 31, 2015...
June 14, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28613354/the-quantitative-measurements-of-vascular-density-and-flow-areas-of-macula-using-optical-coherence-tomography-angiography-in-normal-volunteers
#15
Fariba Ghassemi, Kaveh Fadakar, Fatemeh Bazvand, Reza Mirshahi, Masoumeh Mohebbi, Siamak Sabour
BACKGROUND AND OBJECTIVE: The quantification of the density of macular vascular networks and blood flow areas in the foveal and parafoveal area in healthy subjects using optical coherence tomography angiography (OCTA). PATIENTS AND METHODS: Cross-sectional, prospective study in an institutional setting at the Retina Services of Farabi Eye Hospital. One hundred twelve normal volunteers with no known ocular or systemic disease were included, including patient numbers (one or both eyes), selection procedures, inclusion/exclusion criteria, randomization procedure, and masking...
June 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28606267/-comparison-of-two-kinds-of-artificial-tears-on-the-dry-eye-after-phacoemulsification
#16
R You, J Wang, Y Han, L J Liu, W Y Wang
Objective: To compare the curative effect of two different artificial tears on dry eye after phacoemulsification. Methods: Prospective randomized controlled clinical trial. From March to June in 2012, 102 patients (102 eyes) with age-related cataract were treated with phacoemulsification at Beijing Tongren Hospital, Capital University of Medical Sciences, and these eyes were randomly divided into blank group (group A ) 32 cases, treatment group 1 (group B) 35 cases and treatment group 2 (group C) 35 cases. Group A was treated with conventional antibiotics...
June 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28602547/non-invasive-objective-and-contemporary-methods-for-measuring-ocular-surface-inflammation-in-soft-contact-lens-wearers-a-review
#17
REVIEW
Cecilia Chao, Kathryn Richdale, Isabelle Jalbert, Kim Doung, Moneisha Gokhale
Contact lens wear is one of the primary risk factors for the development of ocular surface inflammatory events. The purpose of this review is to examine and summarize existing knowledge on the mechanisms of contact lens related ocular surface inflammation and the evidence for the effectiveness of current objective methods to measure ocular surface inflammation. Contact lens wear is postulated to trigger an inflammatory response on the ocular surface due to mechanical, chemical, hypoxic stress, or by the introduction of microbes and their toxins...
June 8, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28601375/quality-of-life-in-glaucoma-patients-and-normal-subjects-related-to-the-severity-of-damage-in-each-eye
#18
O Pujol Carreras, A Anton, C Mora, L Pastor, S Gudiña, R Maull, Z Vega, M Castilla
OBJECTIVE: To assess the quality of life in glaucoma patients and normal subjects, and to assess its relationship with the severity of damage in each eye. METHODS: A cross-sectional study was conducted with prospective selection of cases. The study included 464 subjects and were distributed into 4categories. Subjects included in group 1 had both eyes normal, that is with a normal intraocular pressure (IOP), optic disk and visual fields (VF), or mild glaucoma, defined as untreated IOP>21mmHg and abnormal VF with mean defect (MD) over -6dB...
June 7, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28590279/new-diagnostics-in-ocular-surface-disease
#19
Katherine Kostroun, Sumitra S Khandelwal
No abstract text is available yet for this article.
2017: International Ophthalmology Clinics
https://www.readbyqxmd.com/read/28587435/effect-of-topical-rebamipide-on-goblet-cells-in-the-lid-wiper-of-human-conjunctiva
#20
Satoru Kase, Toshiya Shinohara, Manabu Kase, Susumu Ishida
It has been demonstrated that topical administration of rebamipide, which is an antiulcer agent, increases the mucin level of the tear film and ameliorates ocular surface conditions such as lid wiper epitheliopathy. The aim of the present study was to analyze the changes in goblet cell number, cell proliferation, and epidermal growth factor receptor (EGFR) induced by topical rebamipide addition to the lid wiper of humans. A total of 30 eyelid tissue samples were obtained during involutional entropion surgeries, fixed in paraformaldehyde, embedded in paraffin and divided into two groups: Rebamipide or non-rebamipide...
June 2017: Experimental and Therapeutic Medicine
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