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ocular surface disease

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https://www.readbyqxmd.com/read/28328296/the-relationship-between-metabolic-syndrome-its-components-and-dry-eye-a-cross-sectional-study
#1
Sevil Karaman Erdur, Rukiye Aydin, Mustafa Ozsutcu, Oktay Olmuscelik, Mustafa Eliacik, Goktug Demirci, Mehmet Selim Kocabora
PURPOSE: The aim of this study was to evaluate tear osmolarity and tear film function and ocular surface changes in patients with metabolic syndrome. METHODS: 108 eyes of 64 patients with metabolic syndrome (group 1) and 110 eyes of 55 healthy individuals (group 2) were included in this cross-sectional study. All participants were evaluated using the Ocular Surface Disease Index (OSDI) questionnaire, Schirmer I test, tear film break-up time (TBUT), and tear osmolarity...
March 22, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28321333/correlation-analysis-of-ocular-symptoms-and-signs-in-patients-with-dry-eye
#2
Hang Song, Mingzhou Zhang, Xiaodan Hu, Kaixiu Li, Xiaodan Jiang, Yan Liu, Huibin Lv, Xuemin Li
Purpose. To analyze the correlations between the ocular surface signs and symptoms in patients with dry eye. Methods. In this observational study, 176 dry eye patients, including 60 males and 116 females, were enrolled and their dry eye symptoms and ocular signs were observed. Partial correlation analysis was conducted between OSDI score and each ocular surface sign, and the correlations were further discussed in different age groups. Then multiple linear regression analysis was used to further explore the influence of these signs on OSDI score...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28319106/a-systematic-review-on-the-impact-of-diabetes-mellitus-on-the-ocular-surface
#3
REVIEW
K Co Shih, K S-L Lam, L Tong
Diabetes mellitus is associated with extensive morbidity and mortality in any human community. It is well understood that the burden of diabetes is attributed to chronic progressive damage in major end-organs, but it is underappreciated that the most superficial and transparent organ affected by diabetes is the cornea. Different corneal components (epithelium, nerves, immune cells and endothelium) underpin specific systemic complications of diabetes. Just as diabetic retinopathy is a marker of more generalized microvascular disease, corneal nerve changes can predict peripheral and autonomic neuropathy, providing a window of opportunity for early treatment...
March 20, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28306352/evaluation-of-the-tear-function-tests-and-the-ocular-surface-in-first-time-users-of-silicone-hydrogel-contact-lenses
#4
Yelda Yildiz Tasci, Canan Gürdal, Ozge Sarac, Aykut Onusever
PURPOSE: To evaluate the effects of three different silicone hydrogel contact lenses (SHCL), (balafilcon A, senofilcon A, and comfilcon A) on tear function tests, corneal thickness, and ocular surface cytology in first time contact lens users. MATERIALS AND METHODS: In this prospective study, 120 eyes of 60 subjects were evaluated. Balafilcon A users were designated as group 1, senofilcon A users as group 2, and comfilcon A users as group 3. In all cases, before and after 6 months of contact lens wear, ocular surface disease index score (OSDI), tear breakup time (TBUT), Schirmer 1 test, central corneal thickness (CCT), central corneal epithelium thickness (CCET), and conjunctival impression cytology samples were evaluated...
March 17, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28304385/local-ocular-surface-parameters-in-patients-with-systemic-celiac-disease
#5
M M Uzel, M Citirik, M Kekilli, P Cicek
PurposeThis was a collaborative study from the Ophthalmology and Gastroenterology departments of a tertiary care hospital, designed to investigate the local ocular surface parameters in patients with celiac disease (CD).MethodsFifty-six eyes of 28 patients with CD and 58 eyes of 29 healthy adult subjects serving as controls were evaluated. The Schirmer test, tear-film break-up time, and conjunctival impression cytology were performed in addition to a complete ophthalmological examination. Impression cytology specimens of each group were graded and scored in the range 0-3...
March 17, 2017: Eye
https://www.readbyqxmd.com/read/28299439/vitamin-b12-deficiency-evaluation-and-treatment-in-severe-dry-eye-disease-with-neuropathic-ocular-pain
#6
Serkan Ozen, Murat Atabey Ozer, Mehmet Orçun Akdemir
PURPOSE: This study aims to understand the effect of vitamin B12 deficiency on neuropathic ocular pain (NOP) and symptoms in patients with dry eye disease (DED). METHODS: Patients with severe DED (without receiving topical artificial tears treatment) and ocular pain were enrolled (n = 90). Patients with severe DED and vitamin B12 deficiency (group 1, n = 45) received parenteral vitamin B12 supplement + topical treatment (artificial tears treatment + cyclosporine), and patients with severe DED and normal serum vitamin B12 level (group 2, n = 45) received only topical treatment (artificial tears treatment + cyclosporine)...
March 15, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28295997/determination-of-schirmer-tear-test-1-values-in-clinically-normal-alpacas-vicug%C3%A3-a-pacos-in-north-america
#7
Jessica E McDonald, Amy M Knollinger, Darryl D Dees, Nicole E MacLaren
PURPOSE: To determine the normal reference range for Schirmer tear test-1 (STT-1) values in eyes of healthy alpacas (Vicugña pacos). METHODS: Complete ophthalmic examinations were performed on forty healthy alpacas (80 eyes). STT-1 values were obtained in both eyes of all alpacas using a commercial STT strip of a single lot number. Data were analyzed, using a doubly repeated measures ANOVA design, Student's paired t-test, and Pearson correlation test, with P ≤ 0...
March 14, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28295635/quality-of-life-and-handling-experience-with-the-prose-device-an-indian-scenario
#8
Pradipta Bhattacharya, Rajeswari Mahadevan
BACKGROUND: PROSE (prosthetic replacement of ocular surface ecosystem) device is a custom-designed, corneal vaulting scleral contact lens, which is used in the treatment of irregular corneal conditions to improve vision and comfort. The present study aimed at assessing the success of the PROSE device in an Indian scenario in terms of change in quality of life and to understand the handling issues related to the device use. METHODS: Thirty-two subjects with various irregular corneal conditions meeting the inclusion criteria were included in the study...
March 12, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28295626/mechanical-meibomian-gland-squeezing-combined-with-eyelid-scrubs-and-warm-compresses-for-the-treatment-of-meibomian-gland-dysfunction
#9
Hun Lee, Minseo Kim, Si Yoon Park, Eung Kweon Kim, Kyoung Yul Seo, Tae-Im Kim
BACKGROUND: The aim was to investigate the efficacy of mechanical meibomian gland squeezing combined with eyelid scrubs and warm compresses in participants with moderate and severe meibomian gland dysfunction (MGD). METHODS: In this prospective, uncontrolled, open label, intervention study, 32 eyes of 32 participants with moderate and severe MGD were treated with mechanical squeezing of meibomian glands in combination with eyelid scrubs and warm compresses. We evaluated tear film break-up time (TBUT), corneal and conjunctival fluorescein staining scores, biomicroscopic examination of lid margins and meibomian glands, Ocular Surface Disease Index (OSDI) questionnaire and tear film lipid layer thickness determined via an interferometer before initiating treatment and after one month of treatment...
March 12, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28292273/ocular-bacterial-infections-at-quiha-ophthalmic-hospital-northern-ethiopia-an-evaluation-according-to-the-risk-factors-and-the-antimicrobial-susceptibility-of-bacterial-isolates
#10
Mebrahtu Teweldemedhin, Muthupandian Saravanan, Araya Gebreyesus, Dawit Gebreegziabiher
BACKGROUND: External and intraocular infections can lead to visual impairments, which is a major public health problem. Bacteria are the most frequent pathogens affecting ocular structures; the increasing rate of antimicrobial drug resistance is a worldwide concern. The aim of this study was to determine the occurrence of bacteria in ocular infections, their antimicrobial susceptibility patterns, and risk factors in bacterial ocular infection. METHODS: A hospital based cross-sectional study was conducted from September 2015 to December 2015 at Quiha Ophthalmic Hospital, Tigray, northern Ethiopia...
March 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28288901/trigeminal-brainstem-modulation-of-persistent-orbicularis-oculi-muscle-activity-in-a-rat-model-of-dry-eye
#11
Mostafeezur Rahman, Kazunari Shiozaki, Keiichiro Okamoto, Randall Thompson, David A Bereiter
Altered corneal reflex activity is a common feature of dry eye disease (DE). Trigeminal sensory nerves supply the ocular surface and terminate at the trigeminal interpolaris/caudalis (ViVc) transition and spinomedullary (VcC1) regions. Although both regions contribute to corneal reflexes, their role under dry eye conditions is not well defined. This study assessed the influence of local inhibitory and excitatory amino acid neurotransmission at the ViVc transition and VcC1 regions on hypertonic saline (HS) evoked orbicularis oculi muscle activity (OOemg) in urethane-anesthetized male rats after exorbital gland removal (DE)...
March 10, 2017: Neuroscience
https://www.readbyqxmd.com/read/28286571/we-are-not-alone-a-case-for-the-human-microbiome-in-extra-intestinal-diseases
#12
EDITORIAL
S Shivaji
BACKGROUND: "Dysbiosis" in the gut microbiome has been implicated in auto-immune diseases, in inflammatory diseases, in some cancers and mental disorders. The challenge is to unravel the cellular and molecular basis of dysbiosis so as to understand the disease manifestation. MAIN BODY: Next generation sequencing and genome enabled technologies have led to the establishment of the composition of gut microbiomes and established that "dysbiosis" is the cause of several diseases...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28284957/proteolytic-activity-in-the-meibomian-gland-implications-to-health-and-disease
#13
REVIEW
Pablo Argüeso
The function of the meibomian gland in the upper and lower eyelids is critical to maintaining homeostasis at the ocular surface. Highly specialized meibocytes within the gland must differentiate and accumulate intracellular lipid droplets that are released into the tear film following rupture of the cell membrane. Proteases and their inhibitors have been recognized as key players in remodeling extracellular matrices and promoting the normal integrity of glandular tissue. They modulate a wide range of biological processes, such as cell proliferation and differentiation, and can contribute to disease when aberrantly expressed...
March 8, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28282487/establishment-of-multiplex-solid-phase-strip-pcr-test-for-detection-of-24-ocular-infectious-disease-pathogens
#14
Satoko Nakano, Sunao Sugita, Yasuhiro Tomaru, Ayumi Hono, Takako Nakamuro, Toshiaki Kubota, Hiroshi Takase, Manabu Mochizuki, Masayo Takahashi, Norio Shimizu
Purpose: To establish and evaluate a new multiplex solid-phase strip polymerase chain reaction (strip PCR) for concurrent detection of common ocular infectious disease pathogens. Methods: A new multiplex strip PCR was established to detect 24 common ocular infectious disease pathogens: herpes simplex virus (HSV) 1, HSV2, varicella-zoster virus (VZV), Epstein-Barr virus (EBV), cytomegalovirus (CMV), human herpes virus (HHV) 6, HHV7, HHV8, human T-cell lymphotropic virus (HTLV)-1, adenovirus, Mycobacterium tuberculosis, Treponema pallidum, Propionibacterium acnes (P...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28282067/evaluation-of-dry-eye-and-meibomian-gland-dysfunction-with-meibography-in-vitiligo
#15
M Palamar, P Kiyat, I Ertam, A Yagci
PurposeTo evaluate the dry eye and meibomian gland dysfunction (MGD) of vitiligo patients with meibography.MethodsTwenty eyes of 20 vitiligo patients (Group 1) and 20 eyes of 20 healthy individuals (Group 2) were enrolled. All subjects had undergone a comprehensive ophthalmic examination including corneal and conjunctival fluorescein staining (Oxford scale scoring), tear film break-up time (T-BUT), Schirmer 1 test, Ocular Surface Disease Index (OSDI) score assessment, and upper and lower eyelid meibography using infrared captures of a biomicroscope (Topcon, SL-D701, IJssel, The Netherlands)...
March 10, 2017: Eye
https://www.readbyqxmd.com/read/28280333/proteomic-analysis-of-tears-following-acupuncture-treatment-for-menopausal-dry-eye-disease-by-two-dimensional-nano-liquid-chromatography-coupled-with-tandem-mass-spectrometry
#16
Qingyu Liu, Junling Liu, Chengda Ren, Wenting Cai, Qingquan Wei, Yi Song, Jing Yu
BACKGROUND: The purpose of this study was to investigate whether acupuncture is effective at treating dry eye disease among postmenopausal women and to identify the possible mechanisms. METHODS: Twenty-eight postmenopausal women with dry eye disease were randomly divided into two groups: an acupuncture plus artificial tears (AC + AT) group and an artificial tears (AT) only group. After baseline examination of clinical parameters and tear sample collection, each patient received the designated modality of topical therapy for 2 months...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28280329/multifunctional-organic-inorganic-hybrid-nanoparticles-and-nanosheets-based-on-chitosan-derivative-and-layered-double-hydroxide-cellular-uptake-mechanism-and-application-for-topical-ocular-drug-delivery
#17
Huibo Chi, Yan Gu, Tingting Xu, Feng Cao
To study the cellular uptake mechanism of multifunctional organic-inorganic hybrid nanoparticles and nanosheets, new chitosan-glutathione-valine-valine-layered double hydroxide (CG-VV-LDH) nanosheets with active targeting to peptide transporter-1 (PepT-1) were prepared, characterized and further compared with CG-VV-LDH nanoparticles. Both organic-inorganic hybrid nanoparticles and nanosheets showed a sustained release in vitro and prolonged precorneal retention time in vivo, but CG-VV-LDH nanoparticles showed superior permeability in the isolated cornea of rabbits than CG-VV-LDH nanosheets...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28275605/unrelenting-ocular-pain-as-a-masquerading-symptom-of-occult-choroidal-metastasis
#18
Jordan D Deaner, Renelle Pointdujour-Lim, Emil Anthony T Say, Carol L Shields
PURPOSE: To report a case of chronic eye pain as a presenting feature of choroidal metastasis from lung cancer. METHODS: We report the case of a 58-year-old Caucasian woman with stage IV lung adenocarcinoma presenting with an 8-month history of left eye pain and blurred vision. RESULTS: The patient had previously consulted 14 ophthalmologists with varying diagnoses including posterior scleritis and trigeminal neuralgia. Visual acuity at presentation was 20/20 in the right eye and 20/80 in the left eye...
January 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/28268149/corneal-nerve-microstructure-in-parkinson-s-disease
#19
Stuti L Misra, Hannah M Kersten, Richard H Roxburgh, Helen V Danesh-Meyer, Charles N J McGhee
Ocular surface changes and blink abnormalities are well-established in Parkinson's disease. Blink rate may be influenced by corneal sub-basal nerve density, however, this relationship has not yet been investigated in Parkinson's disease. This case-control study examined the ocular surface in patients with moderately severe Parkinson's disease, including confocal microscopy of the cornea. Fifteen patients with moderately severe Parkinson's disease (modified Hoehn and Yahr grade 3 or 4) and fifteen control participants were recruited...
March 3, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28261971/proteomics-a-new-perspective-for-the-understanding-of-pterygia
#20
Yi-Fan Feng, Fei Yuan
Pterygia is a common ocular surface disease bothering both the patient because of its unsightly appearance and the surgeon because of its tendency to recur. The pathogenesis of pterygia is complex and the exact mechanism(s), especially at the molecular level, remains unknown. The use of modern proteomic techniques such as isobaric tags for relative and absolute quantification (iTRAQ) may yield new knowledge on the underlying pathogenesis of pterygia. In this issue of Proteomics Clinical Applications, Linghu et al...
March 6, 2017: Proteomics. Clinical Applications
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