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Meibomian gland

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https://www.readbyqxmd.com/read/28802859/special-issue-on-meibomian-glands
#1
EDITORIAL
Shizuya Saika, James V Jester, Winston Whei-Yang Kao
No abstract text is available yet for this article.
August 9, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28790801/intense-pulsed-light-for-evaporative-dry-eye-disease
#2
REVIEW
Steven J Dell
There is a clear association between dry eye disease (DED) and skin inflammatory diseases occurring in close proximity to the eyelids, such as facial skin rosacea. Intense pulsed light (IPL) is widely accepted as a treatment for skin rosacea. A number of recent studies demonstrated that, in patients suffering from meibomian gland dysfunction (MGD), IPL therapy also reduces signs and symptoms of DED. Despite these encouraging results, in the context of DED and MGD, the mechanisms of action of IPL are not well understood...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28789979/conjunctival-subepithelial-fibrosis-and-meibomian-gland-atrophy-in-ocular-graft-versus-host-disease
#3
Yael Kusne, M'hamed Temkit, Nandita Khera, Dharmendra R Patel, Joanne F Shen
PURPOSE: Dry eye symptoms greatly impact patients' quality of life in ocular graft-versus-host disease (oGVHD). Various ocular surface changes have been reported in oGVHD, including meibomian gland atrophy (MGA) and clinical conjunctival scarring or subepithelial fibrosis (CSEF). The relationships between CSEF, MGA, and other ocular surface changes in oGVHD were examined. METHODS: Charts of 21 consecutive GVHD patients examined by a single ophthalmologist were retrospectively reviewed...
August 5, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28777385/efficacy-of-eyedrops-containing-cross-linked-hyaluronic-acid-and-coenzyme-q10-in-treating-patients-with-mild-to-moderate-dry-eye
#4
Elisa I Postorino, Laura Rania, Emanuela Aragona, Carmen Mannucci, Angela Alibrandi, Gioacchino Calapai, Domenico Puzzolo, Pasquale Aragona
PURPOSE: Dry eye disease (DED) is a common condition causing substantial burden. A randomized, controlled, single-masked study was performed in 40 patients with mild to moderate DED to evaluate the efficacy and safety of a collyrium based on crosslinked hyaluronic acid (XLHA) with coenzyme Q10 (CoQ10). METHODS: Enrolled subjects were divided into 2 groups: group A, treated with XLHA + CoQ10; and group B, treated with hyaluronic acid (HA). Eyedrops were administered 4 times daily for 3 months...
August 2, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28761086/serotonin-hormonally-regulates-lacrimal-gland-secretory-function-via-the-serotonin-type-3a-receptor
#5
Toshihiro Imada, Shigeru Nakamura, Ryuji Hisamura, Yusuke Izuta, Kai Jin, Masataka Ito, Naoki Kitamura, Kenji F Tanaka, Masaru Mimura, Izumi Shibuya, Kazuo Tsubota
Tears are extracellular fluid secreted from the lacrimal gland (LG). Tears consist of a dynamic tri-layered film composed of secretions from the LG, Meibomian gland, and conjunctival goblet cells. The LG secretes the aqueous component of the tear, the Meibomian gland secretes the lipid component, and conjunctival goblet cells secrete mucin. The regulation of LG activity via the autonomic nervous system has been recognized as fundamental to maintaining aqueous tear flow. Here, we describe the role of a hormone, peripheral serotonin, in tear secretion...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28739099/changes-of-meibomian-glands-in-the-early-stage-of-post-hematopoietic-stem-cell-transplantation
#6
Seonjoo Kim, Young-Sik Yoo, Hyun Seung Kim, Choun-Ki Joo, Kyung-Sun Na
Hematopoietic stem cell transplantation (HSCT) is the most effective cure for hematologic malignancies. Graft-versus-host disease (GVHD) is a major complication following allogeneic HSCT, which significantly affects non-relapse mortality. And ocular manifestations of GVHD are known to occurin 60-90% of patients with chronic GVHD. Although the pathogenesis of ocular GVHD is not clearly known, it is known to progress into inflammation and fibrosis through presentation of antigens on CD4 and CD8 T cells. There is much evidence that the ocular surface and meibomian glands are severely damaged in ocular GVHD patients, and there are few observational studies on the early changes...
July 21, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28736342/tfos-dews-ii-diagnostic-methodology-report
#7
REVIEW
James S Wolffsohn, Reiko Arita, Robin Chalmers, Ali Djalilian, Murat Dogru, Kathy Dumbleton, Preeya Gupta, Paul Karpecki, Sihem Lazreg, Heiko Pult, Benjamin D Sullivan, Alan Tomlinson, Louis Tong, Edoardo Villani, Kyung Chul Yoon, Lyndon Jones, Jennifer Craig
The role of the Tear Film and Ocular Surface Society (TFOS) Dry Eye Workshop (DEWS) II Diagnostic Methodology Subcommittee was 1) to identify tests used to diagnose and monitor dry eye disease (DED), 2) to identify those most appropriate to fulfil the definition of DED and its sub-classifications, 3) to propose the most appropriate order and technique to conduct these tests in a clinical setting, and 4) to provide a differential diagnosis for DED and distinguish conditions where it is a comorbidity. Symptom screening with the DEQ-5 or OSDI confirms that a patient might have DED and triggers the diagnostic tests of (ideally non-invasive) breakup time, osmolarity and ocular surface staining with fluorescein and lissamine green (observing the cornea, conjunctiva and eyelid margin)...
May 4, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28728287/-analysis-of-structure-and-function-of-meibomian-glands-in-healthy-population-at-different-ages
#8
J Hong, H Q Qu
Objective: To observe the structure and function of meibomian glands in normal population at different ages. Methods: From October 2011 to August 2012, meibomian gland information was collected in healthy volunteers without any symptoms of ocular discomfort, aged more than 5 years. The people were grouped by every 10 years of age. The meibomian gland opening, secretion state and characteristics and Max's line were observed by slit lamp microscopic examination, and the meibomian gland dropouts were examined by noncontact infrared meibomian gland microscopy...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728282/-epidemiologic-study-of-tear-film-lipid-layer-thickness-measurement-in-the-population-of-taishitun-community-in-beijing
#9
Q F Liang, X H Du, Y D Su, N L Wang, Z J Wei, Antoine Labbé
Objective: To investigate the distribution of tear film lipid layer thickness (LLT) and the relationship between symptoms and signs of dry eye and tear film LLT in the population of Taishitun Community in Beijing. Methods: A cross-sectional study. From May 2016 to August 2016, three streets of Taishitun Community were randomly selected as survey districts and 540 persons were taken as investigation subjects. Every participant completed 6 items of dry eye examinations as follows: questionnaire (Ocular Surface Disease Index, OSDI), measurement of tear film LLT, tear film break-up time (TBUT), corneal and conjunctival staining, SchirmerⅠtest and the infrared meibomian photography...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28696955/pediatric-blepharokeratoconjunctivitis-is-there-a-right-treatment
#10
Sepideh T Rousta
PURPOSE OF REVIEW: This article highlights the importance of recognizing blepharokeratoconjunctivitis (BKC) in children and reviews the clinical characteristics and current therapeutic modalities. RECENT FINDINGS: The mainstay of BKC treatment remains controlling the meibomian gland inflammation and treating cobormid conditions. BKC can occur in the setting of ocular rosacea and Demodex infestation. Small studies have shown treatment benefits of topical cyclosporine A as well as oral azithromycin in pediatric BKC...
July 10, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28694455/asymptomatic-meibomian-gland-dysfunction-and-cardiovascular-disease-risk-factors-in-a-middle-aged-population-in-taiwan-a-cross-sectional-analysis
#11
Alexander Chen, Hung-Ta Chen, Hung-Chi Chen, Yi-Tsun Chen, Yih-Hsiou Hwang, Chi-Chin Sun, Ching-Hsi Hsiao, David Hui-Kang Ma, Wei-Chi Wu, Chi-Chun Lai
Managing cardiovascular disease (CVD) risk factors is the key to prevent CVD. This study aimed to prevent CVD by introducing asymptomatic meibomian gland dysfunction (MGD), a condition associated with various CVD risk factors, as an early indicator for CVD in middle-aged population. Participants with and without asymptomatic MGD underwent standardized questionnaires, physical examinations, and laboratory investigations. One ophthalmologist completed the identification and grading of MGD by using slit-lamp biomicroscopy examination on the eyelid margins, meibomian gland orifices, and meibomian gland secretions...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28689165/tear-film-and-ocular-surface-assessment-in-psoriasis
#12
Emanuela Aragona, Laura Rania, Elisa Imelde Postorino, Alberto Interdonato, Roberta Giuffrida, Serafinella Patrizia Cannavò, Domenico Puzzolo, Pasquale Aragona
BACKGROUND: Psoriasis is a skin disease with also systemic involvement: its impact on the eye is not well established and often clinically underestimated. Aim of this study was to investigate the presence of ocular discomfort symptoms and of ocular surface changes in a population of patients with psoriasis. METHODS: For this cross-sectional, comparative study, 66 patients with psoriasis were subdivided according to the presence of arthritis and to the use of biological therapy...
July 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28688025/dyslipidemia-and-its-association-with-meibomian-gland-dysfunction-a-systematic-review
#13
REVIEW
Robin K Kuriakose, Puneet S Braich
PURPOSE: To perform a systematic review of the literature examining the association between meibomian gland dysfunction (MGD) and dyslipidemia. METHODS: A systematic literature search was performed using the Medline database. A total of four studies directly relevant to our search are reviewed here. RESULTS: In a series of four studies, all but one found that the prevalence of dyslipidemia was significantly higher in those with MGD compared to those without...
July 7, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28677153/assessment-of-efficacy-of-topical-azithromycin-1-5-per-cent-ophthalmic-solution-for-the-treatment-of-meibomian-gland-dysfunction
#14
Ozlem Balci, Gokhan Gulkilik
BACKGROUND: The aim was to evaluate the clinical efficacy of topical azithromycin 1.5 per cent ophthalmic solution in treatment of the clinical signs and symptoms associated with meibomian gland dysfunction (MGD). METHODS: In this retrospective study, 35 patients with MGD were treated with topical azithromycin 1.5 per cent ophthalmic solution for 30 days. Topical azithromycin 1.5 per cent ophthalmic solution was prescribed twice daily for two days and then once daily for a total of 30 days...
July 4, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28669846/meibomian-glands-meibum-and-meibogenesis
#15
REVIEW
Igor A Butovich
Meibum is a lipid-rich secretion that is produced by fully differentiated meibocytes in the holocrine Meibomian glands (MG) of humans and most mammals. The secretion is a part of a defense mechanism that protects the ocular surface from hazardous environmental factors, and from desiccation. Meibomian lipids that have been identified in meibum are very diverse and unique in nature. The lipid composition of meibum is different from virtually any other lipid pool found in the human body. In fact, meibum is quite different from sebum, which is the closest secretion that is produced by anatomically, physiologically, and biochemically related sebaceous glands...
June 29, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28655773/ectodysplasin-a-promotes-corneal-epithelial-cell-proliferation
#16
Sanming Li, Jing Zhou, Jinghua Bu, Ke Ning, Liying Zhang, Juan Li, Yuli Guo, Xin He, Hui He, Xiaoxin Cai, Yongxiong Chen, Peter Sol Reinach, Zuguo Liu, Wei Li
The EDA gene encodes ectodysplasin A (Eda) which if mutated causes X-linked Hypohidrotic Ectodermal Dysplasia (XLHED) disease in humans. Ocular surface changes occur in XLHED patients while its underlying mechanism remains elusive. In this study, we found Eda was highly expressed in meibomian glands, and it was detected in human tears but not serum. Corneal epithelial integrity was defective and the thickness was reduced in the early postnatal stage of EDA mutant Tabby mice. Corneal epithelial cell proliferation decreased and the epithelial wound healing was delayed in Tabby mice, while it was restored by exogenous Eda...
June 27, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28646862/a-clinical-utility-assessment-of-the-automatic-measurement-method-of-the-quality-of-meibomian-glands
#17
Robert Koprowski, Lei Tian, Paweł Olczyk
BACKGROUND: Meibomian gland dysfunction (MGD) is one of the most common diseases observed in clinics and is the leading cause of evaporative dry eye. Today, diagnostics of MGD is not fully automatic yet and is based on a qualitative assessment made by an ophthalmologist. Therefore, an automatic analysis method was developed to assess MGD quantiatively. MATERIALS: The analysis made use of 228 images of 57 patients recorded by OCULUS Keratograph(®) 5 M with a resolution of 1024 × 1360 pixels concern 30 eyes of healthy individuals (14 women and 16 men) and 27 eyes of sick patients (10 women and 17 men)...
June 24, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28645677/dry-eye-and-meibomian-gland-dysfunction-with-meibography-in-patients-with-lamellar-ichthyosis
#18
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/28628504/morphology-and-function-of-meibomian-glands-and-other-tear-film-parameters-in-junior-high-school-students
#19
Takanori Mizoguchi, Reiko Arita, Shima Fukuoka, Naoyuki Morishige
PURPOSE: We measured tear film parameters, including the morphology and function of meibomian glands, in junior high school students at 15 years of age. METHODS: A total of 111 eyes of 111 students (56 males and 55 females) were enrolled in the study. The ocular symptom score (0-14), after-school study time, lipid layer thickness (LLT) of the tear film, partial blink rate, lid margin abnormalities (0-4), tear film breakup time, corneal and conjunctival epithelial damage (fluorescein staining score, 0-9), meiboscore as determined by noncontact meibography (0-6), Schirmer test value, and meibum grade (0-3) were determined...
August 2017: Cornea
https://www.readbyqxmd.com/read/28615923/changes-in-meibomian-gland-morphology-and-ocular-higher-order-aberrations-in-eyes-with-chalazion
#20
Shima Fukuoka, Reiko Arita, Rika Shirakawa, Naoyuki Morishige
PURPOSE: To examine the changes in meibomian gland morphology and ocular higher-order aberrations (HOAs) in eyes with chalazion and its excision. METHODS: Seven male patients with previous history of chalazion excision and seven control male subjects were enrolled. Changes in meibomian gland morphology (meiboscores, gland dropout, and shortening) were evaluated by using meibography equipped in a wavefront analyzer KR-1W and in a slit-lamp device BG-4M. Ocular HOAs were measured sequentially with KR-1W...
2017: Clinical Ophthalmology
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