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Ocular Surface

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https://www.readbyqxmd.com/read/28433820/effects-of-punctal-occlusion-on-global-tear-proteins-in-patients-with-dry-eye
#1
Louis Tong, Lei Zhou, Roger Beuerman, Susan Simonyi, David A Hollander, Michael E Stern
PURPOSE: To investigate effects of punctal occlusion on global tear protein levels in patients with dry eye. METHODS: In this prospective, longitudinal, single-center study, nonabsorbable punctal plugs were inserted bilaterally into the lower punctum of 30 patients with moderate dry eye. Dry eye symptoms, fluorescein corneal staining, Schirmer I test, tear film break-up time, and safety were assessed in the more severe eye. Tear proteins at weeks 1 and 3 were quantified by iTRAQ relative to baseline preocclusion levels...
April 19, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28363586/increase-in-tear-film-lipid-layer-thickness-after-instillation-of-3-diquafosol-ophthalmic-solution-in-healthy-human-eyes
#2
Shima Fukuoka, Reiko Arita
PURPOSE: To evaluate the effect of 3% diquafosol ophthalmic solution on tear film lipid layer thickness (LLT) in normal human eyes by tear interferometry. METHODS: Forty-seven healthy men (mean age of 42.4 years) randomly received one drop of artificial tears in one eye and one drop of 3% diquafosol ophthalmic solution in the other. LLT of each eye was quantified by tear interferometry before and 15, 30, and 60 min after instillation. Ocular symptoms were assessed before and 30 min after instillation...
March 28, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28347855/role-of-high-resolution-optical-coherence-tomography-in-diagnosing-ocular-surface-squamous-neoplasia-with-coexisting-ocular-surface-diseases
#3
Marwan Atallah, Madhura Joag, Anat Galor, Guillermo Amescua, Afshan Nanji, Jianhua Wang, Victor L Perez, Sander Dubovy, Carol L Karp
PURPOSE: Coexistence of an ocular surface disease can mask the typical features of ocular surface squamous neoplasia (OSSN). The purpose of this study was to evaluate high resolution optical coherence tomography (HR-OCT) as an adjunct in the detection and differentiation of OSSN within coexisting ocular surface pathologies. METHODS: Retrospective study of 16 patients with ocular surface disease and lesions suspicious for OSSN that were evaluated with HR-OCT. HR-OCT images of the lesions were taken to look for evidence of OSSN...
March 24, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28342814/tear-cytokine-profile-of-glaucoma-patients-treated-with-preservative-free-or-preserved-latanoprost
#4
Jose M Martinez-de-la-Casa, Francisco Perez-Bartolome, Elena Urcelay, Jose L Santiago, Javier Moreno-Montañes, Pedro Arriola-Villalobos, Jose M Benitez-Del-Castillo, Julian Garcia-Feijoo
PURPOSE: To determine variations in cytokine levels of glaucoma patients treated either with preservative-free latanoprost or preserved latanoprost, relative to healthy individuals. METHODS: Tear samples were collected from 39 healthy subjects, 20 glaucoma patients treated with preserved latanoprost, and 20 patients treated with preservative-free latanoprost. A set of 27 inflammatory cytokines was analyzed in each group, including interleukin (IL)-1β, IL-1ra, IL-2, IL-4, IL-5, IL-6, IL-7, IL-8, IL9, IL-10, IL-12 (p70), IL-13, IL-15, IL-17, eotaxin, fibroblast growth factor (FGF) basic, granulocyte colony stimulating factor (G-CSF), granulocyte monocyte colony stimulating factor (GM-CSF), interferon (IFN)-γ, interferon gamma-induced protein (IP)-10, monocyte chemo attractant protein (MCP)-1MCAF, macrophage inflammatory protein (MIP)-1α, MIP-1β, platelet-derived growth factor (PDGF)-BB, regulated on activation, normal T cell expressed and secreted (RANTES), tumor necrosis factor (TNF)-α and vascular endothelial growth factor (VEGF)...
March 22, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28284825/meibomian-gland-morphogenesis-requires-developmental-eyelid-closure-and-lid-fusion
#5
Jingjing Wang, Mindy Call, Maureen Mongan, Winston Whei-Yang Kao, Ying Xia
BACKGROUND AND PURPOSE: Meibomian glands (MGs) play an important role in the maintenance of ocular surface health, but the mechanisms of their development are still poorly understood. The MGs arise from the epithelium at the junction of eyelid fusion, raising the possibility that defective eyelid fusion disturbs the formation of MGs. METHODS: We examined, histologically and functionally, the development of MGs in mice with either normal or defective eyelid fusion, displaying eye-closed at birth (ECB) or eye-open at birth (EOB) phenotypes, respectively...
March 8, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28279746/a-link-between-tear-breakup-and-symptoms-of-ocular-irritation
#6
Jun Zhang, Carolyn G Begley, Ping Situ, Trefford Simpson, Haixia Liu
PURPOSE: We used the presence or absence of a soft contact lens (CL) as a barrier to test the hypothesis that tear breakup (TBU) presents a direct noxious stimulus to the ocular surface. METHODS: Ten subjects kept one eye open as long as possible, termed sustained tear exposure (STARE), for 10 consecutive trials while discomfort was monitored with and without a CL in place. The area of TBU was quantified in each frame. Discomfort was measured during and after each STARE trial and symptoms of ocular irritation were assessed before and after all testing...
March 6, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28179131/rasch-analysis-of-three-dry-eye-questionnaires-and-correlates-with-objective-clinical-tests
#7
Colm McAlinden, Rongrong Gao, Qinmei Wang, Senmiao Zhu, Jing Yang, Ayong Yu, Anthony J Bron, Jinhai Huang
PURPOSE: To assess the psychometric properties of Chinese versions of the Ocular Comfort Index (OCI), Ocular Surface Disease Index (OSDI) and McMonnies questionnaires. Further, to assess the correlation between questionnaire scores and objective dry eye disease (DED) clinical tests. METHODS: Translated versions of the OCI, OSDI and McMonnies questionnaires were completed in a random order by 238 participants with DED. Objective clinical tests included visual acuity (VA), fluorescein tear film break-up time (TBUT), corneal fluorescein staining, Schirmer I testing and meibomian gland grading...
February 4, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28167204/changes-in-corneal-sub-basal-nerve-morphology-and-sensitivity-during-orthokeratology-recovery-of-change
#8
Edward Lum, Blanka Golebiowski, Helen A Swarbrick
PURPOSE: To investigate the recovery of changes in corneal nerve morphology and sensitivity in orthokeratology (OK) following lens wear discontinuation, over a 3-month period. METHODS: Sixteen myopic subjects who wore OK lenses during sleep for 3 months discontinued lens wear for 3 months. Corneal nerve morphology and sensitivity were assessed 3 h after waking on the right eye only at the pre-lens wear baseline and after lens wear discontinuation. Corneal nerve fiber density (NFD) and global nerve fiber orientation (GNFO) were assessed by sampling a 1 mm(2) area of the sub-basal nerve plexus at the corneal apex and temporal mid-periphery using in vivo confocal microscopy...
February 3, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28137653/tidbits
#9
EDITORIAL
J Daniel Nelson
No abstract text is available yet for this article.
January 27, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28137652/chemistry-matters
#10
LETTER
Gary D Novack
No abstract text is available yet for this article.
January 27, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28042094/bulbar-conjunctival-microvascular-responses-in-dry-eye
#11
Wan Chen, Hatim Ismail M Batawi, Jimmy R Alava, Anat Galor, Jin Yuan, Constantine D Sarantopoulos, Allison L McClellan, William J Feuer, Roy C Levitt, Jianhua Wang
PURPOSE: Conjunctival microvascular responses may be a surrogate metric of efferent neural pathway function innervating the ocular surface as changes in blood flow occur within seconds after a stimulus. As somatosensory dysfunction may partially underlie dry eye (DE), in this study we evaluate whether bulbar conjunctival microvascular alterations correlate with various aspects of DE. METHODS: Fifty-six DE patients were prospectively recruited from a Veterans Affairs ophthalmology clinic over an 11-month period...
April 2017: Ocular Surface
https://www.readbyqxmd.com/read/28132878/emerging-strategies-for-the-diagnosis-and-treatment-of-meibomian-gland-dysfunction-proceedings-of-the-ocean-group-meeting
#12
Gerd Geerling, Christophe Baudouin, Pasquale Aragona, Maurizio Rolando, Kostas G Boboridis, José M Benítez-Del-Castillo, Yonca A Akova, Jesús Merayo-Lloves, Marc Labetoulle, Martin Steinhoff, Elisabeth M Messmer
Meibomian gland dysfunction (MGD) is a common and chronic disorder that has a significant adverse impact on patients' quality of life. It is a leading cause of evaporative dry eye disease (DED), as meibomian glands play an important role in providing lipids to the tear film, which helps to retard the evaporation of tears from the ocular surface. MGD is also often present in conjunction with primary aqueous-deficient DED. Obstructive MGD, the most commonly observed type of MGD, is the main ocus of this article...
January 26, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28131677/a-randomized-clinical-trial-to-evaluate-the-usefulness-of-amniotic-membrane-transplantation-in-bacterial-keratitis-healing
#13
Seyed Ali Tabatabaei, Mohammad Soleimani, Mahmoud Jabbarvand Behrouz, Ali Torkashvand, Pasha Anvari, Mehdi Yaseri
PURPOSE: To determine whether early amniotic membrane transplantation improves the outcomes among patients with bacterial keratitis. PATIENTS AND METHODS: In this prospective randomized clinical trial 49 eyes from 49 patients with bacterial keratitis received routine antibiotic therapy followed by double-layer amniotic membrane transplantation during 2-5 days after start up of the medications and the second group of 50 eyes from 50 patients only received routine antibacterial therapy...
January 25, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28115245/autologous-method-for-ex-vivo-expansion-of-human-limbal-epithelial-progenitor-cells-based-on-plasma-rich-in-growth-factors-technology
#14
REVIEW
A C Riestra, N Vazquez, M Chacon, S Berisa, R M Sanchez-Avila, G Orive, E Anitua, A Meana, J Merayo-Lloves
PURPOSE: Develop an autologous culture method for ex vivo expansion of human limbal epithelial progenitor cells (LEPCs) using Plasma Rich in Growth Factors (PRGF) as a growth supplement and as a scaffold for the culture of LEPCs. METHODS: LEPCs were cultivated in different media supplemented with 10% fetal bovine serum (FBS) or 10% PRGF. The outgrowths, total number of cells, colony forming efficiency (CFE), morphology and immunocytochemistry against p63- α and cytokeratins 3 and 12 (CK3-CK12) were analyzed...
January 20, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28109805/8th-international-conference-on-the-tear-film-ocular-surface-basic-science-and-clinical-relevance-montpellier-france-september-7-10-2016-highlights-from-the-platform-sessions
#15
https://www.readbyqxmd.com/read/28093340/bacteriological-profile-of-ocular-surface-flora-in-meibomian-gland-dysfunction
#16
Shao Dan Zhang, Jing Na He, Tong Tong Niu, Chiu Yeung Chan, Chun Yang Ren, Shan Shan Liu, Yang Qu, Kam Lung Chong, Hai Lin Wang, Jun Tao, Chi Pui Pang
PURPOSE: To compare the bacteriological profile of meibomian gland secretion and conjunctival cul-de-sac in subjects with and without meibomian gland dysfunction (MGD). METHODS: This hospital-based study enrolled 201 eyes from 201 MGD patients and 84 eyes from 84 age- and gender-matched controls. Samples from the conjunctivae and meibomian gland secretion were obtained. Both aerobic and anaerobic cultures were performed. Differences in the culture-positivity and bacterial strains between two groups were compared...
January 13, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28065724/epidemiology-of-dry-eye-disease-in-africa-the-sparse-information-gaps-and-opportunities
#17
REVIEW
A E Osae, U Gehlsen, J Horstmann, S Siebelmann, M E Stern, D B Kumah, P Steven
Dry eye disease (DED) is an increasingly significant clinical problem in developing countries and/or emerging economies. Existing studies on DED conducted in these areas have largely reported on associations between DED and infectious disease (trachoma) and malnutrition (hypovitaminosis A), but current trends of industrialization, urbanization, and modernization in these areas could result in a shift to other forms of DED. Herein, we review the epidemiology of DED in these geographic areas, highlighting potential causes and risk factors of DED while presenting information on diagnostic tools and algorithms and insight into some treatment modalities of DED that could prove useful to clinicians and investigators in these regions...
January 5, 2017: Ocular Surface
https://www.readbyqxmd.com/read/27871774/bias-to-basis
#18
EDITORIAL
J Daniel Nelson
No abstract text is available yet for this article.
January 2017: Ocular Surface
https://www.readbyqxmd.com/read/27871773/generally-regarded-as-safe
#19
LETTER
Gary D Novack
No abstract text is available yet for this article.
January 2017: Ocular Surface
https://www.readbyqxmd.com/read/27840126/the-intriguing-role-of-neuropeptides-at-the-ocular-surface
#20
REVIEW
Francesco Sabatino, Antonio Di Zazzo, Luca De Simone, Stefano Bonini
In recent decades, the role of neuropeptides in physiology and pathology has been elucidated. Various neuropeptides are expressed at the ocular surface, where they facilitate the crosstalk between immune and nervous systems. They actively regulate trophic and immune functions and orchestrate neuroinflammation. The purpose of this manuscript is to review the expression of the neuropeptides SP, VIP, CGRP, and NPY at the ocular surface, focusing on their role in tropism and immunity, and to summarize their functions in ocular immune privilege, infection, dry eye, and allergic eye disease...
January 2017: Ocular Surface
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