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ocular surface

M Sacchetti, I Abicca, A Bruscolini, C Cavaliere, M Nebbioso, A Lambiase
Allergic conjunctivitis (AC) includes a wide spectrum of clinical entities characterized by different incidence, age of onset, natural course, clinical outcome and response to treatment. Taken together, they represent one of the most frequent ocular surface diseases affecting more than 30% of the young-adult population and show an increasing incidence over the years. Moreover, comorbidities with other systemic atopic conditions such as asthma, atopic dermatitis and rhinitis require a multidisciplinary approach...
January 2018: Journal of Biological Regulators and Homeostatic Agents
Anna Cressey, Deborah S Jacobs, Crystal Remington, Karen G Carrasquillo
Purpose: To demonstrate clearing of chronic corneal opacities and improvement of visual acuity with the use of BostonSight prosthetic replacement of the ocular surface ecosystem (PROSE) treatment in ocular surface disease. Observations: We undertook retrospective analysis of the medical records of a series of patients who underwent PROSE treatment from August 2006 to December 2014. Patients were referred for ocular surface disease of various etiologies. Primary inclusion criterion was corneal opacity that improved with PROSE treatment...
June 2018: American Journal of Ophthalmology Case Reports
Ibrahim Sayed-Ahmed, Juan Carlos Murillo, Pedro Monsalve, Jan Paul Ulloa, Maria P Fernandez, James Wong, George Elgart, Anat Galor, Sander R Dubovy, Carol L Karp
PURPOSE: Blue nevus is a melanocytic tumor that is commonly found in the skin. Extracutaneous presentations, including the ocular surface, are rare. As such, the purpose of this study was to characterize the clinical features and clinical course of congenital melanocytic tumor (blue nevus) of the conjunctiva. DESIGN: Retrospective, noncomparative case series. PARTICIPANTS: Twenty-one patients with 23 blue nevi of the ocular surface that were excised surgically between 2000 and 2016...
March 15, 2018: Ophthalmology
Marco Messina, Harminder S Dua
PURPOSE: To evaluate the effect of once daily administration of chitosan-N-acetylcysteine (Lacrimera® ) in the management of dry eye disease (DED). METHODS: Eighteen patients (3 male, 15 female) aged 25-86 years (mean 61.1) and suffering from moderate to severe DED with superficial punctate keratitis (SPK) were retrospectively evaluated after a trial of Lacrimera® drops (1 drop in the morning for 5 days only). All the patients were using other artificial tears before the treatment...
March 16, 2018: International Ophthalmology
Gore Ariel, Horwitz Vered, Cohen Maayan, Gutman Hila, Cohen Liat, Gez Relli, Kadar Tamar, Dachir Shlomit
PURPOSE: To evaluate the efficacy of ziv-aflibercept as a treatment for established corneal neovascularization (NV) and to compare its efficacy to that of bevacizumab following ocular chemical insult of sulfur mustard (SM) in the rabbit model. METHODS: Chemical SM burn was induced in the right eye of NZW rabbits by vapor exposure. Ziv-aflibercept (2 mg) was applied once to neovascularized eyes by subconjunctival injection while subconjunctival bevacizumab (5 mg) was administered twice a week, for 3 weeks...
March 13, 2018: Experimental Eye Research
Sana Ali Bautista, Edward J Wladis, Robert L Schultze
PURPOSE: Muller's muscle-conjunctival resection (MMCR) is a highly effective technique to correct upper eyelid ptosis. However, several authorities have raised concerns about the possibility of postoperative ocular surface dryness. This study was performed to assess the impact of MMCR on clinically meaningful parameters of the ocular surface. METHODS: In adult patients, tear break-up time, lipid layer thickness, and osmolarity were measured via direct observation, interferometry, and impedance measurements before surgery and 3 months after surgery in patients who underwent MMCR...
March 14, 2018: Ophthalmic Plastic and Reconstructive Surgery
Alessandro Micarelli, Andrea Viziano, David Della-Morte, Ivan Augimeri, Marco Alessandrini
OBJECTIVE: Considering the altered multisensory signal compensation during senescence, the aim of the present study was to evaluate the integration rearrangements in unilateral vestibular hypofunction (UVH) during age-related cognitive decline. STUDY DESIGN: Cross-sectional study. SETTING: Longitudinal cohort study unit and of University tertiary referral center. PATIENTS: Older UVH individuals ≥ 55 years with Mild Cognitive Impairment (MCI) or Alzheimer Disease (AD) and matched UVH control group with age-appropriate cognitive function...
March 15, 2018: Otology & Neurotology
Andrea Leonardi, Elisabeth M Messmer, Marc Labetoulle, Mourad Amrane, Jean-Sébastien Garrigue, Dahlia Ismail, Maite Sainz-de-la-Maza, Francisco C Figueiredo, Christophe Baudouin
BACKGROUND/AIM: To assess the treatment effect of 0.1%ciclosporin A cationic emulsion (CsA CE) versus vehicle on signs/symptoms of dry eye disease (DED) in various subgroups (moderate-to-severe DED/severe DED/Sjögren's syndrome (SS)/SS with severe DED). METHODS: Pooled data were analysed from two similar phase III studies: SICCANOVE (moderate-to-severe DED) and SANSIKA (severe DED with severe keratitis). In both studies, patients aged ≥18 years received CsA CE 0...
March 15, 2018: British Journal of Ophthalmology
Young Joon Choi, Si Yoon Park, Ikhyun Jun, Moonjung Choi, Kyoung Yul Seo, Eung Kweon Kim, Tae-Im Kim
PURPOSE: To evaluate perioperative dry eye (DE) syndrome and meibomian gland dysfunction (MGD) parameters associated with persistent DE symptoms after cataract surgery. METHODS: We enrolled patients who underwent uncomplicated cataract surgery without previous ocular comorbidities and previous use of ophthalmic treatment except for artificial tears at a single tertiary hospital. Lipid layer thickness, meibomian gland (MG) dropout, tear breakup time, Oxford staining score, lid margin abnormality, meibum quality, meibum expressibility, MG orifice obstruction, MGD stage, Ocular Surface Disease Index (OSDI), and Schirmer test score were prospectively assessed in order at baseline and 1 and 3 months postoperative...
March 14, 2018: Cornea
Hemant K Mehta
The purpose is to present a new refined surgical technique for mild-to-severe acquired myogenic ptosis correction under local anaesthesia (LA) as day cases with resection of myotarsal (MT) flap and demonstrate the safety and efficacy of the technique. MT flap consists of 2 mm tarsal strip with attached levator complex - levator muscle, its aponeurosis, and Müller muscle. This is a retrospective personal series of 400+ patients, who underwent surgical correction with MT flap resection of 8-24 mm under LA mostly as day cases...
March 15, 2018: Orbit
Seda Ekizoglu, Turgut Ulutin, Jalal Guliyev, Nur Buyru
Head and neck squamous cell carcinomas (HNSCC) are a diverse group of tumor types, including neoplasia of the paranasal sinuses, oral cavity, trachea, pharynx and larynx. Laryngeal cancer is the most common type of HNSCC. The proline-rich 4 (PRR4) protein is synthesized in the acinar cells of human lacrimal glands. Previous studies have demonstrated that PRR4 may function as an antimicrobial protein protecting the ocular surface and the oral cavity. In order to determine differentially expressed genes (DEGs) in laryngeal tumors, a GeneFishing Assay was performed; 27 DEGs were identified...
April 2018: Oncology Letters
Huang Guannan, Su Long, Hua Xia, Wang Dong, Zhao Shaozhen
OBJECTIVE: To assess the clinical characteristics and changes in ocular surface cytology of dry eye in patients with systemic autoimmune disease. METHODS: The case-control study was conducted in the Second Hospital of Tianjin Medical University, Tianjin, China, from February 2016 to January 2017, and comprised systemic autoimmune disease patients and healthy controls. Schirmer's I test, tear breakup time test, and fluorescein staining were performed on all subjects...
March 2018: JPMA. the Journal of the Pakistan Medical Association
Jacque P K Ip, Ikue Nagakura, Jeremy Petravicz, Keji Li, Erik A C Wiemer, Mriganka Sur
Microdeletion of a region in chromosome 16p11.2 increases susceptibility to autism. Although this region contains exons of 29 genes, disrupting only a small segment of the region, which spans 5 genes, is sufficient to cause autistic traits. One candidate gene in this critical segment is MVP , which encodes for the major vault protein (MVP) that has been implicated in regulation of cellular transport mechanisms. MVP expression levels in MVP +/- mice closely phenocopy those of 16p11.2 mutant mice, suggesting that MVP +/- mice may serve as a model of MVP function in 16p11...
March 14, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Sidney Júlio de Faria E Sousa, Stella Barretto de Faria E Sousa
Eye banks use sterile procedures to manipulate the eye, antiseptic measures for ocular surface decontamination, and rigorous criteria for donor selection to minimize the possibility of disease transmission due to corneal grafting. Donor selection focuses on analysis of medical records and specific post-mortem serological tests. To guide and standardize procedures, eye bank associations and government agencies provide lists of absolute and relative contraindications for use of the tissue based on donor health history...
January 2018: Arquivos Brasileiros de Oftalmologia
Sara Matteoli, Davide Coppini, Andrea Corvi
The imaging procedure shown in this paper has been developed for processing thermographic images, measuring the ocular surface temperature (OST) and visualizing the ocular thermal maps in a fast, reliable, and reproducible way. The strength of this new method is that the measured OSTs do not depend on the ocular geometry; hence, it is possible to compare the ocular profiles belonging to the same subject (right and left eye) as well as to different populations. In this paper, the developed procedure is applied on two subjects' eyes: a healthy case and another affected by an ocular malignant lesion...
March 14, 2018: Medical & Biological Engineering & Computing
Ling Lee, Qian Garrett, Judith Flanagan, Subhabrata Chakrabarti, Eric Papas
Dry eye disease (DED) is a complex condition with a multifactorial etiology that can be difficult to manage successfully. While external factors are modifiable, treatment success is limited if genetic factors contribute to the disease. The purpose of this review is to compile research describing normal and abnormal ocular surface function on a molecular level, appraise genetic studies involving DED or DED-associated diseases, and introduce the basic methods used for conducting genetic epidemiology studies.
March 10, 2018: Ocular Surface
Dilay Ozek, Özlem Evren Kemer, Ferda Artüz
PURPOSE: To evaluate the results of tear functions in acne rosacea. METHODS: This prospective study includes 64 eyes of 32 acne rosacea patients without blepharitis and meibomian gland dysfunction and 90 eyes of 45 patients as control group. Tear functions of all were evaluated with ocular surface disease index (OSDI) questionnaire, and measurements of tear osmolarity were performed by using TearLab, Schirmer I tests without anesthesia and fluorescein tear break-up time (TBUT)...
March 13, 2018: Ocular Immunology and Inflammation
Amanda B Moyer, Jordan Roberts, Randall J Olsen, Patricia Chévez-Barrios
BACKGROUND: Human papillomavirus (HPV) is a causative agent for intraepithelial squamous neoplasms, particularly on mucosal surfaces. HPV has a well-established association with squamous cell carcinoma (SCC) of the oropharynx and genital tract, and recent studies suggest a potential role in ocular and periocular squamous neoplasms. Multiple high-risk HPV genotypes are associated with histologically similar squamous neoplasms, and some HPV genotypes have been differentially associated with high- or low-grade lesions...
March 6, 2018: American Journal of Dermatopathology
Rossella Titone, Meifang Zhu, Danielle M Robertson
Insulin and insulin-like growth factor-1 (IGF-1) are present in human tears and likely play an important role in mediating ocular surface homeostasis. We previously characterized the IGF-1/insulin hybrid receptor (Hybrid-R) in corneal epithelial cells and found that it was activated by IGF-1 and not insulin; and reported the novel finding that it localized to the corneal epithelial cell nucleus. Since the corneal epithelium is an insulin insensitive tissue and does not require insulin for glucose uptake, this study investigated the function of insulin in corneal epithelial cells...
March 12, 2018: Scientific Reports
Victor J Drew, Ching-Li Tseng, Jerard Seghatchian, Thierry Burnouf
Dry eye syndrome (DES) is a multifactorial, frequent, pathology characterized by deficient tear production or increased evaporation of tears and associated with ocular surface alteration and inflammation. It mostly affects, but not exclusively, older individuals and leads to varying degrees of discomfort and decreased quality of life. Although the typical treatments of DES rely on using artificial tears, polyunsaturated fatty acids, integrin antagonists, anti-inflammatory agents, or on performing punctal occlusion, recently, standardized blood-derived serum eye drops (SED) are generating much interest as a new physiological treatment option...
2018: Frontiers in Medicine
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