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https://www.readbyqxmd.com/read/29138447/the-semaphorin-3a-inhibitor-sm-345431-preserves-corneal-nerve-and-epithelial-integrity-in-a-murine-dry-eye-model
#1
Risa Yamazaki, Katsuya Yamazoe, Satoru Yoshida, Shin Hatou, Emi Inagaki, Hideyuki Okano, Kazuo Tsubota, Shigeto Shimmura
Dry eye disease (DED) is a common disorder causing discomfort and ocular fatigue. Corneal nerves are compromised in DED, which may further cause loss of corneal sensation and decreased tear secretion. Semaphorin 3A (Sema3A) is expressed by the corneal epithelium under stress, and is known as an inhibitor of axonal regeneration. Using a murine dry eye model, we found that topical SM-345431, a selective Sema3A inhibitor, preserved corneal sensitivity (2.3 ± 0.3 mm versus 1.4 ± 0.1 mm in vehicle control, p = 0...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29135738/efficacy-of-rebamipide-instillation-for-contact-lens-discomfort-with-dry-eye
#2
Tsutomu Igarashi, Maika Kobayashi, Chiemi Yaguchi, Chiaki Fujimoto, Hisaharu Suzuki, Hiroshi Takahashi
OBJECTIVE: To examine the effects of rebamipide ophthalmic solution on the symptoms, signs, and cytokine concentrations in tear fluid among soft contact lens (SCL) wearers with Dry eye disease (DED). METHODS: From November 2015 to June 2017, this open-label, single-arm study examined 40 eyes of 20 SCL wearers with DED who had been using daily disposable SCLs for >3 months (mean age, 30.0±8.33 years; range, 20-47 years). Signs, symptoms, and cytokine concentrations were assessed before and 4 weeks after starting 2% rebamipide ophthalmic solution 4 times/day...
November 10, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/29135567/benign-reactive-lymphoid-hyperplasia-of-the-conjunctiva-treated-with-cyclosporine
#3
Rupin N Parikh, Harpal S Sandhu, Giacomina Massaro-Giordano, Scott M Goldstein, Joan M OʼBrien
PURPOSE: To describe a case of reactive lymphoid hyperplasia (RLH) of the conjunctiva responding to cyclosporine immunosuppressant monotherapy. METHODS: A 66-year-old man with a 2-year history of biopsy-proven bilateral RLH presented for dry eye evaluation with chief complaints of burning, stinging, and irritation in both eyes. After slit-lamp examination and positive findings of matrix metalloproteinase 9 in the patient's tear film, he was diagnosed with meibomian gland dysfunction and tear-insufficiency dry eye disease...
November 10, 2017: Cornea
https://www.readbyqxmd.com/read/29134276/-novel-current-and-future-therapy-options-for-treatment-of-dry-eye-disease
#4
REVIEW
E M Messmer
Dry eye disease was redefined by the dry eye workshop (DEWS II) in May 2017. According to the new definition "dry eye is a multifactorial disease of the ocular surface characterized by a loss of homeostasis of the tear film and accompanied by ocular symptoms". The current definition encompasses etiological factors, such as instability and hyperosmolarity of the tear film, ocular surface inflammation and damage as well as a new aspect compared to the former definition, neurosensory abnormalities. Recent and future therapeutic options for dry eye focus on treatment of the aforementioned pathogenetic events...
November 13, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29134275/-blepharitis-component-of-dry-eye-syndrome
#5
REVIEW
C Auw-Hädrich, T Reinhard
This review contains a compilation of long-standing and more recent relevant information on chronic blepharitis, especially in the context of dry eye disease regarding epidemiology, symptoms, clinical findings and pathophysiology. Chronic blepharitis often represents the underlying cause of dry eye disease but remains undetected and untreated in many cases; however, it can be a result of (hypovolemic) dry eye disease and leads to sometimes severe corneal complications, which are illustrated by material from our own patient archives...
November 13, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29127143/satb1-conditional-knockout-results-in-sj%C3%A3-gren-s-syndrome-in-mice
#6
Yuriko Tanaka, Takehiko Sotome, Akiko Inoue, Takanori Mukozu, Taku Kuwabara, Tetuo Mikami, Terumi Kowhi-Shigematsu, Motonari Kondo
Sjögren's syndrome (SS) is an autoimmune disease in which exocrine tissues are affected by cellular and humoral immunity. As a result, the salivary and lacrimal glands of patients with SS are damaged, leading to xerostomia (dry mouth) and keratoconjunctivitis sicca (dry eyes). Because experimental approaches to investigate SS pathogenesis in human patients are limited, development of a mouse model is indispensable for understanding the disease. In this study, we show that special AT-rich sequence binding protein-1 conditional knockout (SATB1cKO) mice, in which the SATB1 gene is specifically deleted from hematopoietic cells, develop SS by 4 wk of age, soon after weaning...
November 10, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29123309/oral-dryness-and-sj%C3%A3-gren-s-an-update
#7
P J Shirlaw, A Khan
Oral dryness is a very common condition presenting to a general dental practitioner or hospital specialist. The most common cause of oral dryness is drug related, however, patients with Sjögren's syndrome, a multisystem autoimmune condition, may present to their dentist rather than their GP complaining of dry mouth and dry eyes. This update article explores the causes of oral dryness and how to manage it. The update on Sjögren's syndrome explains the latest relevant diagnostic criteria, presenting signs, symptoms, investigations and management principles...
November 10, 2017: British Dental Journal
https://www.readbyqxmd.com/read/29123104/a-prospective-randomized-trial-of-two-mucin-secretogogues-for-the-treatment-of-dry-eye-syndrome-in-office-workers
#8
Jun Shimazaki, Den Seika, Masamichi Saga, Kazumi Fukagawa, Miki Sakata, Miki Iwasaki, Takashi Okano
The purpose of the study was to compare the two mucin secretogogues, diquafosol (DQS) and rebamipide (RBM), for the treatment of dry eye syndrome (DES) in office workers. Dry eye patients using computers for >4 h/day were randomly assigned treatment with either DQS or RBM. Main outcomes measures included changes in tear film break-up time (TBUT) and subjective symptoms assessed by the Dry Eye-Related Quality of Life Score (DEQS). The subjects had scheduled examinations at 0 and 4 weeks, and the examinations at 2 and 8 weeks were optional...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29122824/ruthenium-106-brachytherapy-for-iris-and-iridociliary-melanomas
#9
Marina Marinkovic, Nanda Horeweg, Mirjam S Laman, Jaco C Bleeker, Martijn Ketelaars, Femke P Peters, Gre P M Luyten, Carien L Creutzberg
BACKGROUND AND PURPOSE: To evaluate ruthenium-106 (Ru106) brachytherapy as eye-conserving treatment of iris melanomas (IMs) and iridociliary melanomas (ICMs). MATERIALS AND METHODS: Eighty-eight patients received Ru106 brachytherapy between 2006 and 2016. Primary outcome was local control, and secondary outcomes were metastasis, survival, eye preservation, complications and visual acuity (VA). RESULTS: Overall median follow-up was 36 months...
November 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29121838/possible-trimethoprim-sulfamethoxazole-induced-hemolytic-anemia-a-case-report
#10
Montgomery F Williams, Emily P Doss, Maggie Montgomery
OBJECTIVE: To report a case of hemolytic anemia in a patient who received trimethoprim/sulfamethoxazole (TMP-SMX) for a urinary tract infection (UTI). SUMMARY: A 47-year-old woman recently diagnosed with uncomplicated UTI received 3 doses of TMP-SMX. She developed yellowing of the skin and eyes, lethargy, mild abdominal pain, and dry mucous membranes. Laboratory testing demonstrated significant anemia with red blood cells (RBCs) of 1.99, hemoglobin (Hgb) of 6.3 g/dL, and hematocrit (Hct) of 18...
December 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/29121140/complications-of-cosmetic-eye-whitening
#11
Ann Q Tran, Catherine Hoppener, Nandini Venkateswaran, Daniel S Choi, Wendy W Lee
Introduced in 2008 and subsequently popularized in South Korea, cosmetic eye whitening has been offered as a treatment of chronic conjunctival hyperemia. Patients undergo conjunctivectomy with topical mitomycin C (MMC) 0.02% application to achieve a whitened appearance from bleaching of avascular sclera. Much speculation has arisen from this procedure given the limited available evidence on its efficacy and safety. A literature search was performed to review common complications of cosmetic eye whitening, including chronic conjunctival epithelial defects, scleral thinning, avascular zones in the sclera, dry eye syndrome, and diplopia requiring strabismus surgery...
September 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29120717/cataract-surgery-after-proton-beam-irradiation-for-uveal-tumors
#12
Zeba A Syed, Roberto Pineda
PURPOSE: To study the risks associated with cataract surgery in patients with previous proton-beam irradiation (PBI), focusing on preoperative risk factors, intraoperative findings, and postoperative complications. SETTING: Massachusetts Eye & Ear Infirmary, Boston, Massachusetts, USA. DESIGN: Retrospective case series. METHODS: Electronic medical records of patients who had PBI and cataract surgery between January 1, 2006, and October 1, 2016, were reviewed...
October 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29118503/inadvertent-intralenticular-dexamethasone-implant-1-year-follow-up-and-management
#13
Cagatay Caglar
We report the case of a 72-year-old female who developed macular edema (ME) due to hemicentral retinal vein occlusion in her right eye. A dexamethasone implant was inadvertently injected into the crystalline lens. The patient was followed without repositioning of the dexamethasone implant during the 12 months. Besides, the posterior subcapsular cataract and ME had progressed significantly; hence, cataract extraction and intravitreal ranibizumab injection were performed in the same session. A three-piece intraocular lens was implanted in the sulcus with optic captured, and then intravitreal ranibizumab injection was performed...
September 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/29115899/therapeutic-inhibitors-for-the-treatment-of-dry-eye-syndrome
#14
Candela Rodríguez-Pomar, Jesus Pintor, Basilio Colligris, Gonzalo Carracedo
Dry eye disease (DED), defined as a multifactorial disease of tears and ocular surface, results in symptoms of discomfort, ocular irritation, visual disturbance and tear film instability. This syndrome is accompanied of ocular surface inflammation and it is produced by a deficient activity of the lacrimal functional unit. In addition, it is associated with systemic autoimmune diseases such as Sjögren´s Syndrome, rheumatoid arthritis, systemic lupus erythematosus and some drug administration. The treatment of dry eye disease is based on the typical signs and symptoms of dry eye, which are associated with hyperosmolarity, ocular surface inflammation, discomfort, visual disturbance, and tear film instability...
November 14, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/29115477/effects-of-lycium-barbarum-goji-berry-on-dry-eye-disease-in-rats
#15
Kaung-Jen Chien, Chi-Ting Horng, Yu-Syuan Huang, Yi-Hsien Hsieh, Chau-Jong Wang, Jai-Sing Yang, Chi-Cheng Lu, Fu-An Chen
Lycium barbarum (goji berry) has long been used as a food and traditional herbal medicine. This study aimed to investigate the beneficial effect of the goji berry on dry eye disease in rats. Male Sprague‑Dawley rats with induced dry eye disease were randomly assigned to four groups: Vehicle (control), low‑dose goji berry extract [GBE; 250 mg/kg/body weight (bw)], median‑dose GBE (350 mg/kg/bw), and high‑dose GBE (500 mg/kg/bw). Three methods, Schirmer's test, tear break‑up time (BUT) measurement and keratoconjunctival fluorescein staining, were used to evaluate the effect of GBE on symptoms of dry eye disease experienced by the rats...
November 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29114189/computer-vision-syndrome-prevalence-knowledge-and-associated-factors-among-saudi-arabia-university-students-is-it-a-serious-problem
#16
Sultan H Al Rashidi, H Alhumaidan
Objectives: Computers and other visual display devices are now an essential part of our daily life. With the increased use, a very large population is experiencing sundry ocular symptoms globally such as dry eyes, eye strain, irritation, and redness of the eyes to name a few. Collectively, all such computer related symptoms are usually referred to as computer vision syndrome (CVS). The current study aims to define the prevalence, knowledge in community, pathophysiology, factors associated, and prevention of CVS...
November 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/29112967/expression-patterns-of-conjunctival-mucin-5ac-and-aquaporin-5-in-response-to-acute-dry-eye-stress
#17
Dhruva Bhattacharya, Li Yu, Mingwu Wang
The relationship between aquaporin (AQP) 5 and mucin (MUC) 5AC in the conjunctiva was investigated in response to acute dry eye (DE) stress. A mixed-mechanism rabbit DE model, in which the main lacrimal gland, Harderian gland, and nictitating membrane were resected, was further explored in this study. Conjunctival impression cytology specimens were harvested before excision (BE) and up to 3 months after excision (AE) in 8 (16 eyes) male New Zealand White rabbits, and immunoblotting was employed to assess the expression of AQP5 and MUC5AC...
2017: PloS One
https://www.readbyqxmd.com/read/29112508/estrogen-modulates-corneal-nociception-and-maintains-corneal-homeostasis-in-rat-eye
#18
Vinod Kumar, Vishma Pratap Sur, Rajdeep Guha, Aditya Konar, Sarbani Hazra
PURPOSE: To evaluate the role of estrogen in corneal nociception, its influence on lacrimal secretion, and development of dry eye. METHODS: Ovariectomy was performed in normal healthy female rats (OVX). Estrogen replacement was performed in a population of these rats (OVX+E). Tests for dry eye and corneal sensitivity were performed and compared with rats in proestrus (PRO) as controls. Gene expression of neuropeptides such as substance P, calcitonin gene receptor-like protein (CGRP), estrogen receptor α, TRPV1, and TRPM8 was evaluated in the cornea and trigeminal ganglion...
November 6, 2017: Cornea
https://www.readbyqxmd.com/read/29111837/conjunctival-tear-layer-temperature-evaporation-hyperosmolarity-inflammation-hyperemia-tissue-damage-and-symptoms-a-review-of-an-amplifying-cascade
#19
Charles W McMonnies
PURPOSE: This review examines the evidence for and significance of pre-conjunctival tear temperature being higher than central pre-corneal temperature with associated more rapid evaporation of warmer pre-conjunctival tears in normal eyes but especially in hyperemic dry eye disease. METHODS: PubMed searches using the terms "evaporative dry eye," "conjunctival tear evaporation," "tear evaporation," and "dry eye conjunctival hyperemia" indicated 157, 49, 309, and 96 potentially relevant papers, respectively...
November 7, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29110944/botulinum-toxin-a-for-the-treatment-of-photophobia-and-dry-eye
#20
Ryan J Diel, Zachary A Kroeger, Roy C Levitt, Constantine Sarantopoulos, Heather Sered, Jasmine Martinez-Barrizonte, Anat Galor
No abstract text is available yet for this article.
October 27, 2017: Ophthalmology
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