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Meibomian gland

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https://www.readbyqxmd.com/read/29337016/tear-instability-importance-mechanisms-validity-and-reliability-of-assessment
#1
Charles W Mcmonnies
PURPOSE: To examine the factors which contribute to tear stability and the validity and reliability of methods used for assessing tear break up time which is a core part of an examination of tear stability in dry eye patients. METHODS: A review of publications which are relevant to tear stability and its assessment. RESULTS: Tear break up time may be more invasive than intended if difficulty avoiding blinking during assessment results in reflex tearing...
January 11, 2018: Journal of Optometry
https://www.readbyqxmd.com/read/29337006/relation-between-dietary-essential-fatty-acid-intake-and-dry-eye-disease-and-meibomian-gland-dysfunction-in-postmenopausal-women
#2
Jillian F Ziemanski, Lynn R Wolters, Lisa Jones-Jordan, Jason J Nichols, Kelly K Nichols
PURPOSE: To evaluate the relationship between omega-3 (n-3) and omega-6 (n-6) fatty acids with dry eye disease (DED) and meibomian gland dysfunction (MGD) DESIGN: Cross-sectional study METHODS: Postmenopausal women (n=439) underwent a clinical evaluation and completed the Vio Food Frequency Questionnaire to estimate their dietary intake of n-3s and n-6s. Subjects were categorized into two binary classifications based upon whether or not they had (1) DED and (2) MGD. Mean intake of dietary fatty acids were compared with two-sample t-tests...
January 11, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29301512/epithelial-changes-with-corneal-punctate-epitheliopathy-in-type-2-diabetes-mellitus-and-their-correlation-with-time-to-healing
#3
Jing-Hao Qu, Li Li, Lei Tian, Xiao-Yu Zhang, Ravi Thomas, Xu-Guang Sun
BACKGROUND: To study basal epithelial cell (BEC), sub-basal nerve plexus (SBN) and Langerhans cell (LC) density in patients with type 2 diabetes mellitus (T2DM) with corneal punctate epitheliopathy (CPE) and to assess their association with time to healing of CPE. METHODS: Retrospective study of in vivo confocal microscopy (IVCM) in 160 eyes from 160 patients with T2DM diagnosed with CPE due to a single cause. Key exclusion criteria included multiple-causes for CPE or treatment with autologous serum...
January 4, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29300267/ocular-surface-workup-with-automated-noninvasive-measurements-for-the-diagnosis-of-meibomian-gland-dysfunction
#4
Giuseppe Giannaccare, Luca Vigo, Marco Pellegrini, Stefano Sebastiani, Francesco Carones
PURPOSE: To analyze diagnostic performance of an ocular surface workup based on automated noninvasive measurements in the diagnosis of meibomian gland dysfunction (MGD). METHODS: Two hundred ninety-eight eyes of 149 patients with MGD and 54 eyes of 27 control patients were analyzed. Ocular Surface Disease Index (OSDI), noninvasive breakup time (BUT), lipid layer thickness, meibomian gland loss, and tear osmolarity were calculated. The correlations among variables in the MGD group were analyzed...
January 3, 2018: Cornea
https://www.readbyqxmd.com/read/29286952/prevalence-of-meibomian-gland-atrophy-in-a-pediatric-population
#5
Preeya K Gupta, Madelyn N Stevens, Namita Kashyap, Yos Priestley
PURPOSE: To report the prevalence of meibomian gland atrophy and gland tortuosity in a pediatric population. METHODS: Participants who presented with no history of dry eye disease or meibomian gland dysfunction were recruited from the Duke University Eye Center. Meibography was performed and subjective symptoms were assessed through the Standard Patient Evaluation of Eye Dryness (SPEED) questionnaire. Grading of images was assessed by a masked rater using a previously validated 5-point meiboscale (0-4) for gland atrophy and a 3-point scale for gland tortuosity (0-2)...
December 27, 2017: Cornea
https://www.readbyqxmd.com/read/29283676/the-effect-of-solithromycin-a-cationic-amphiphilic-drug-on-the-proliferation-and-differentiation-of-human-meibomian-gland-epithelial-cells
#6
Yang Liu, Wendy R Kam, Prabhavathi Fernandes, David A Sullivan
PURPOSE: We previously discovered that azithromycin (AZM) acts directly on immortalized human meibomian gland epithelial cells (IHMGECs) to stimulate their lipid and lysosome accumulation and overall differentiation. We hypothesize that this phospholipidosis-like effect is due to AZM's cationic amphiphilic drug (CAD) nature. If our hypothesis is correct, then other CADs (e.g., solithromycin [SOL]) should be able to duplicate AZM's action on IHMGECs. Our purpose was to test this hypothesis...
December 28, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29282195/chloracne-in-a-farming-family
#7
Pragya Kushwaha, Harish Kumar, Sandeep Kulkarni, Ashok Ghorpade
An 11-year-old boy presented with a 1-year history of multiple comedonal lesions distributed over his body. The lesions (Figure 1) were densely distributed throughout his body. Ophthalmologic examination revealed hyperpigmented conjunctival mucosae and enlarged meibomian glands (Figure 2). His nails were also hyperpigmented. In addition, he had been coughing and had a fever, each present for a month. Significant laboratory studies included mild anemia (hemoglobin 11.6 gm%) and leukocytosis of 20,800. A chest x-ray was suggestive of interstitial lung disease...
2017: Skinmed
https://www.readbyqxmd.com/read/29240600/meibomian-gland-performance-in-glaucomatous-patients-with-long-term-instillation-of-iop-lowering-medications
#8
Wan-Hua Cho, Ing-Chou Lai, Po-Chiung Fang, Chun-Chih Chien, Shin-Ling Tseng, Yu-Hsuan Lai, Yu-Ting Huang, Ming-Tse Kuo
PURPOSE: To investigate the meibomian gland (MG) performance in patients with glaucoma under topical intraocular pressure (IOP)-lowering medications. METHODS: This was a cross-sectional case-control study. Patients with glaucoma under different dosages and instillation periods of topical IOP-lowering medications were included. A total of 30 eyes out of 30 healthy participants and 85 eyes out of 85 patients with glaucoma were analyzed. The burden of instilling anti-glaucoma agents (BAG) was simply scored for each participant based on the number, formula, frequency, and duration of topical IOP-lowering medications used...
December 13, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/29234088/tear-proteome-analysis-in-ocular-surface-diseases-using-label-free-lc-ms-ms-and-multiplexed-microarray-biomarker-validation
#9
Javier Soria, Arantxa Acera, Jesús Merayo-LLoves, Juan A Durán, Nerea González, Sandra Rodriguez, Nikitas Bistolas, Soeren Schumacher, Frank F Bier, Harald Peter, Walter Stöcklein, Tatiana Suárez
We analyzed the tear film proteome of patients with dry eye (DE), meibomian gland dysfunction (MGD), and normal volunteers (CT). Tear samples were collected from 70 individuals. Of these, 37 samples were analyzed using spectral-counting-based LC-MS/MS label-free quantitation, and 33 samples were evaluated in the validation of candidate biomarkers employing customized antibody microarray assays. Comparative analysis of tear protein profiles revealed differences in the expression levels of 26 proteins, including protein S100A6, annexin A1, cystatin-S, thioredoxin, phospholipase A2, antileukoproteinase, and lactoperoxidase...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29232760/the-association-of-keratoconus-with-blepharitis
#10
Dina Mostovoy, Shlomo Vinker, Michael Mimouni, Yakov Goldich, Shmuel Levartovsky, Igor Kaiserman
BACKGROUND: Identifying potentially treatable risk factors for the progression of keratoconus is of great importance. The purpose of this study was to determine the association between blepharitis and keratoconus. METHODS: In this prospective, comparative, observational study, 50 keratoconus participants from the central district of the Clalit Health Services Health Maintenance Organization in Israel underwent comprehensive eye examination. Seventy-two healthy medical personnel of similar ages were randomly chosen as a control group...
December 12, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/29227342/eyelid-changes-related-to-meibomian-gland-dysfunction-in-early-middle-aged-patients-using-topical-glaucoma-medications
#11
Ji Hong Kim, Yong Un Shin, Mincheol Seong, Hee Yoon Cho, Min Ho Kang
PURPOSE: To investigate the relationship between topical glaucoma medications and meibomian gland dysfunction (MGD) in early middle-aged patients with glaucoma. METHODS: In this cross-sectional study, 50 patients with glaucoma younger than 50 years who had used topical glaucoma medications for more than 6 months and 40 normal controls of similar age were included. Patients in each group were graded for MGD (0-4) using slit-lamp microscopy. Tear film breakup time (BUT), ocular surface staining, and Marx line scores were also evaluated...
December 8, 2017: Cornea
https://www.readbyqxmd.com/read/29206882/morphological-study-of-the-eye-and-adnexa-in-capuchin-monkeys-sapajus-sp
#12
Danielle Nascimento Silva, Arianne Pontes Oriá, Nayone Lantyer Araujo, Emanoel Martins-Filho, Caterina Muramoto, Fernanda de Azevedo Libório, Alessandra Estrela-Lima
The objective of this study was to describe the anatomic and histologic features of the Sapajus sp. eye, comparing similarities and differences of humans and other species of non-human primates for biomedical research purposes. Computed tomography (CT) of adnexa, eye and orbit live animal, as well as formolized pieces of the same structures of Sapajus sp. for anatomical and histological study were also performed. The anatomical description of the eye and adnexa was performed using the techniques of topographic dissection and exenteration...
2017: PloS One
https://www.readbyqxmd.com/read/29199865/changes-in-the-meibomian-gland-after-exposure-to-intense-pulsed-light-in-meibomian-gland-dysfunction-mgd-patients
#13
Yue Yin, Ninghua Liu, Lan Gong, Nan Song
PURPOSE: To observe (1) changes in meibomian gland (MG) after exposure to intense pulsed light (IPL) and (2) to understand the mechanism by which IPL treats meibomian gland dysfunction (MGD) in patients. METHODS: A cohort study, including 35 MGD patients, was conducted. IPL treatment was administered in one group (IPL group; n = 18), and eyelid hygiene in another (control group; n = 17) for 3 months. All patients were given artificial tears during the treatment period...
December 4, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29189289/meibomian-glands-and-ocular-surface-changes-after-closure-of-meibomian-gland-orifices-in-rabbits
#14
Youngsub Eom, Ji Yun Han, Boram Kang, Ho Sik Hwang, Hyung Keun Lee, Hyo Myung Kim, Jong Suk Song
PURPOSE: To investigate changes in the corneal surface, tear film, and meibomian glands after meibomian gland orifice closure. METHODS: Seventy-two eyes of 36 rabbits were used. In the study group (n = 36), the meibomian gland orifices of both upper and lower eyelids in the right eyes were electrosurgically coagulated. The 36 untreated left eyes were used as controls. Corneal wetting properties were measured 1, 3, 7, and 14 days after coagulation. The eyelid sections were stained with anti-cytokeratin (CK)1, CK5, and CK6 antibody 8 weeks after coagulation...
November 16, 2017: Cornea
https://www.readbyqxmd.com/read/29183042/expression-and-regulation-of-s100-fused-type-protein-hornerin-at-the-ocular-surface-and-lacrimal-apparatus
#15
Fabian Garreis, Janine Jahn, Katharina Wild, Daniel B Abrar, Martin Schicht, Jens-Michael Schröder, Friedrich Paulsen
Purpose: The S100 fused-type proteins hornerin (HRNR) and filaggrin-2 (FLG2) are members of the epidermal differentiation complex, which is involved in terminal differentiation of keratinocytes via cornification as well as maintenance of the epidermal antimicrobial barrier. We investigated the expression and possible regulation of HRNR and FLG2 at the ocular surface and in the lacrimal apparatus. Methods: Tissues of the lacrimal apparatus and ocular surface were analyzed systematically by means of RT-PCR, immunohistochemistry, and immuntransmission electron microscopy (iTEM) for their ability to express and produce HRNR and FLG2...
November 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29169367/image-based-quantitative-analysis-of-tear-film-lipid-layer-thickness-for-meibomian-gland-evaluation
#16
Hyeonha Hwang, Hee-Jae Jeon, Kin Choong Yow, Ho Sik Hwang, EuiHeon Chung
BACKGROUND: Dry eye syndrome is one of the most common ocular diseases, and meibomian gland dysfunction (MGD) is the leading cause of evaporative dry eye syndrome. When the tear film lipid layer becomes thin due to obstructive or hyposecretory meibomian gland dysfunction, the excessive evaporation of the aqueous layer can occur, and this causes evaporative dry eye syndrome. Thus, measuring the lipid layer thickness (LLT) is essential for accurate diagnosis and proper treatment of evaporative dry eye syndrome...
November 23, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29150990/prevalence-of-dry-eye-disease-and-its-association-with-dyslipidemia
#17
Krishnamoorthy Rathnakumar, Kaliaperumal Ramachandran, Durairaj Baba, Venkatachalam Ramesh, Velusamy Anebaracy, Ramachandran Vidhya, Rajamanickam Vinothkumar, Ramamurthy Poovitha, Rajagopalan Geetha
BACKGROUND: Dry eye disease (DED) is a common ocular surface disease significantly affecting the quality of life of patients. The aim of our study is to focus on the prevalence of DED and to determine the relationship between dyslipidemia and DED. METHODS: The study was performed with the age group of 25-70 years, who attended the ophthalmology outpatient department at Sri Lakshmi Narayana Institute of Medical Sciences with complaints of dry eye. A standard questionnaire was taken, and tear film tests were performed to diagnose dry eye...
November 18, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/29140823/single-center-retrospective-study-on-meibomian-gland-loss-in-patients-with-ocular-chronic-graft-versus-host-disease
#18
Lijuan Que, Xiaofeng Zhang, Mengmeng Li
OBJECTIVES: This study aimed to analyze the influencing factors of meibomian gland loss in patients with ocular chronic graft-versus-host disease (GVHD) and its correlation with other clinical ocular surface assessment indexes. METHODS: The clinical data of patients with ocular chronic GVHD from the ocular surface and corneal outpatient clinic of the First Affiliated Hospital of Soochow University were reviewed from June 2012 to June 2016. The relationship between the percentage of meibomian gland acinar area and the influencing factors, such as patient's sex, age, transplantation method, human leukocyte antigen (HLA) matching, the time when eye discomfort appeared after transplantation (month), and the severity of ocular chronic GVHD, was investigated...
November 14, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/29135567/benign-reactive-lymphoid-hyperplasia-of-the-conjunctiva-treated-with-cyclosporine
#19
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
#20
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
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