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Ocular pathology

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https://www.readbyqxmd.com/read/28106626/unusual-serous-retinal-detachment-in-a-patient-with-waldenstrom-macroglobulinemia-a-case-report
#1
Albert B Lin, Alan T Sheyman, Lee M Jampol
BACKGROUND/PURPOSE: To report an unusual appearance of severe bilateral serous detachments in a patient with Waldenstrom macroglobulinemia. METHODS: A case report of a Fifty-six-year-old female patient with Waldenstrom macroglobulinemia. RESULTS: A patient with Waldenstrom macroglobulinemia presented with serous retinal detachments at the time of diagnosis with Waldenstrom. The patient's IgM levels remained abnormally elevated in the initial stages of her disease course, leading to dramatic ocular findings and images on optical coherence tomography...
January 18, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28101530/integrative-analysis-of-disease-signatures-shows-inflammation-disrupts-juvenile-experience-dependent-cortical-plasticity
#2
Milo R Smith, Poromendro Burman, Masato Sadahiro, Brian A Kidd, Joel T Dudley, Hirofumi Morishita
Throughout childhood and adolescence, periods of heightened neuroplasticity are critical for the development of healthy brain function and behavior. Given the high prevalence of neurodevelopmental disorders, such as autism, identifying disruptors of developmental plasticity represents an essential step for developing strategies for prevention and intervention. Applying a novel computational approach that systematically assessed connections between 436 transcriptional signatures of disease and multiple signatures of neuroplasticity, we identified inflammation as a common pathological process central to a diverse set of diseases predicted to dysregulate plasticity signatures...
November 2016: ENeuro
https://www.readbyqxmd.com/read/28101398/wide-field-retinal-optical-coherence-tomography-with-wavefront-sensorless-adaptive-optics-for-enhanced-imaging-of-targeted-regions
#3
James Polans, Brenton Keller, Oscar M Carrasco-Zevallos, Francesco LaRocca, Elijah Cole, Heather E Whitson, Eleonora M Lad, Sina Farsiu, Joseph A Izatt
The peripheral retina of the human eye offers a unique opportunity for assessment and monitoring of ocular diseases. We have developed a novel wide-field (>70°) optical coherence tomography system (WF-OCT) equipped with wavefront sensorless adaptive optics (WSAO) for enhancing the visualization of smaller (<25°) targeted regions in the peripheral retina. We iterated the WSAO algorithm at the speed of individual OCT B-scans (~20 ms) by using raw spectral interferograms to calculate the optimization metric...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28093567/beta-amyloid-sequelae-in-the-eye-a-critical-review-on-its-diagnostic-significance-and-clinical-relevance-in-alzheimer-s-disease
#4
REVIEW
T M Shah, S M Gupta, P Chatterjee, M Campbell, R N Martins
Alzheimer's disease (AD) is a progressive and fatal neurodegenerative disorder. There is no test for its definitive diagnosis in routine clinical practice. Although phase III clinical trials have failed, only symptomatic treatment is currently available; a possible reason for these failed trials is that intervention commenced at an advanced stage of the disease. The hallmarks of an AD brain include plaques comprising of extracellular beta-amyloid (Aβ) protein aggregates and intracellular hyperphosphorylated neurofibrillary tangles of tau...
January 17, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28093340/bacteriological-profile-of-ocular-surface-flora-in-meibomian-gland-dysfunction
#5
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/28087348/the-eyes-of-children-with-celiac-disease
#6
Arzu Seyhan Karatepe Hashas, Orhan Altunel, Eylem Sevınc, Necati Duru, Bedirhan Alabay, Yasemin Altuner Torun
PURPOSE: To determine possible eye involvement in pediatric patients with celiac disease. METHODS: Children (aged 5-18 years) with classic celiac disease and sex- and age-matched controls were included. In addition to a complete ophthalmologic examination, all patients were scanned by a Scheimpflug camera and spectral domain optical coherence tomography, and Schirmer and break-up time (BUT) tests were performed. Data were evaluated by paired t test, with a P value of <0...
January 10, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28070965/the-consequences-of-avian-ocular-trauma-histopathological-evidence-and-implications-of-acute-and-chronic-disease
#7
Bret A Moore, Leandro B C Teixeira, William E Sponsel, Richard R Dubielzig
OBJECTIVE: To present a description and categorization of the histopathological lesions in avian ocular trauma. ANIMAL STUDIED: Seventy-five birds diagnosed with ocular trauma at to the Comparative Ocular Pathology Laboratory of Wisconsin. PROCEDURES: Histological slides were reviewed, and the type of trauma was classified by cause into either (i) blunt trauma or (ii) penetrating trauma and by duration into (i) acute or (ii) chronic. RESULTS: Blunt trauma was the most common source of trauma, and the most frequent lesions were observed in the retina (91%), with 71% of retinas having a tear or detachment and 46% of retinas showing chronic degenerative changes...
January 10, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28065590/mechanism-and-evidence-of-nonsense-suppression-therapy-for-genetic-eye-disorders
#8
REVIEW
Rose Richardson, Matthew Smart, Dhani Tracey-White, Andrew Webster, Mariya Moosajee
Between 5 and 70% of genetic disease is caused by in-frame nonsense mutations, which introduce a premature termination codon (PTC) within the disease-causing gene. Consequently, during translation, non-functional or gain-of-function truncated proteins of pathological significance, are formed. Approximately 50% of all inherited retinal disorders have been associated with PTCs, highlighting the importance of novel pharmacological or gene correction therapies in ocular disease. Pharmacological nonsense suppression of PTCs could delineate a therapeutic strategy that treats the mutation in a gene- and disease-independent manner...
January 5, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28058171/orbital-eccrine-hidrocystoma
#9
Deniz Marangoz, Işın Doğan Ekici, Ferda Çiftçi
A 29-year-old female patient presented with a painless mass on her upper eyelid medially. She noticed the mass 4 years earlier and it had increased in size over time. She had no diplopia, eyelid swelling, skin lesion overlying the mass, or visual disturbances. On ocular examination, eye movements and funduscopy were normal. The mass was movable and painless with palpation. Magnetic resonance imaging with contrast showed a 12x8x7 mm well-circumscribed cystic lesion with no contrast dye appearance. Surgical removal was performed delicately and no capsular rupture occured...
October 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28057562/imaging-retina-to-study-dementia-and-stroke
#10
REVIEW
Carol Yim-Lui Cheung, M Kamran Ikram, Christopher Chen, Tien Yin Wong
With increase in life expectancy, the number of persons suffering from common age-related brain diseases, including neurodegenerative (e.g., dementia) and cerebrovascular (e.g., stroke) disease is expected to rise substantially. As current neuro-imaging modalities such as magnetic resonance imaging may not be able to detect subtle subclinical changes (resolution <100-500 μm) in dementia and stroke, there is an urgent need for other complementary techniques to probe the pathophysiology of these diseases...
January 2, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28057358/-regression-of-myelinated-retinal-nerve-fibers-in-a-case-of-primary-open-angle-glaucoma
#11
E Sellem, M Poli
Myelinated retinal nerve fibers observed rarely on ocular fundus examination, usually adjacent to the optic disc, are known to be stable throughout life. However, the possibility of rarefaction, and even disappearance, of these myelinated fibers has been pointed out in very rare cases of ocular or neuro-ophthalmological pathologies. We report such a regression, identified after a six-year period, in one case of primary open-angle glaucoma.
January 2, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28055102/galectin-3-inhibition-by-a-small-molecule-inhibitor-reduces-both-pathological-corneal-neovascularization-and-fibrosis
#12
Wei-Sheng Chen, Zhiyi Cao, Hakon Leffler, Ulf J Nilsson, Noorjahan Panjwani
Purpose: Corneal neovascularization and scarring commonly lead to significant vision loss. This study was designed to determine whether a small-molecule inhibitor of galectin-3 can inhibit both corneal angiogenesis and fibrosis in experimental mouse models. Methods: Animal models of silver nitrate cautery and alkaline burn were used to induce mouse corneal angiogenesis and fibrosis, respectively. Corneas were treated with the galectin-3 inhibitor, 33DFTG, or vehicle alone and were processed for whole-mount immunofluorescence staining and Western blot analysis to quantify the density of blood vessels and markers of fibrosis...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28050208/tonic-investigation-concept-of-cervico-vestibular-muscle-afferents
#13
Linda Josephine Dorn, Annabelle Lappat, Winfried Neuhuber, Hans Scherer, Heidi Olze, Matthias Hölzl
Introduction Interdisciplinary research has contributed greatly to an improved understanding of the vestibular system. To date, however, very little research has focused on the vestibular system's somatosensory afferents. To ensure the diagnostic quality of vestibular somatosensory afferent data, especially the extra cranial afferents, stimulation of the vestibular balance system has to be precluded. Objective Sophisticated movements require intra- and extra cranial vestibular receptors. The study's objective is to evaluate an investigation concept for cervico-vestibular afferents with respect to clinical feasibility...
January 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28042997/-standard-versus-nose-reference-electrode-placement-for-measuring-ovemps-with-air-conducted-sound-test-retest-reliability-and-preliminary-patient-results
#14
Laura Leyssens, Barbara Heinze, Bart Vinck, Angelique Van Ombergen, Robby Vanspauwen, Floris L Wuyts, Leen K Maes
OBJECTIVES: This study compared two electrode placements ('standard' versus 'nose reference' placement) for measuring oVEMPs, elicited by air-conducted 500Hz tone bursts. The test-retest reliability of both positions was evaluated and additionally both electrode placements were applied on a group of vestibular patients. METHODS: Eighteen healthy volunteers (range of 20-25years) participated in the first part and were retested after one week for evaluation of the test-retest reliability...
December 5, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28040862/ocular-pathology-case-reviews-1st-edition-amir-a-azari-and-daniel-m-albert-2015-isbn-978-0323-2879-51-elsevier
#15
Tersia Vemeulen, Jens Ulrich Werner, Sarah E Coupland
No abstract text is available yet for this article.
January 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28038490/the-ophthalmological-observations-in-caelius-aurelianus-text-on-acute-and-on-chronic-diseases
#16
REVIEW
Konstantinos Laios, Marilita Moschos, George Androutsos
Caelius Aurelianus' Latin translation, De morbis acutis et chronicis, of Soranus of Ephesus' original Greek work is a work devoted to internal medicine. Nevertheless, there are some observations about ocular pathologies which reveal the level of the knowledge at that time about the eye and their use as elements of pathological semiology.
December 2016: Acta Medico-historica Adriatica: AMHA
https://www.readbyqxmd.com/read/28033649/thrombospondin-derived-peptide-attenuates-sj%C3%A3-gren-s-syndrome-associated-ocular-surface-inflammation-in-mice
#17
Laura Contreras-Ruiz, Fayaz A Mir, Bruce Turpie, Sharmila Masli
Sjögren's syndrome is a second most common rheumatic disease in which autoimmune response targets exocrine glands (salivary and lacrimal glands) resulting in clinical symptoms of dry mouth and dry eye. Inflammation of the lacrimal gland induces tear abnormalities that contribute to the inflammation of the ocular surface, which includes ocular mucosa. Thrombospondin-1 (TSP-1) plays a critical regulatory role in the ocular mucosa and as such TSP-1-/- mice spontaneously develop chronic ocular surface inflammation associated with Sjögren's syndrome (SS)...
December 29, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28026813/-mechanisms-of-perioperative-corneal-abrasions-alterations-in-tear-film-proteome
#18
E Yu Zernii, O S Gancharova, I E Ishutina, V E Baksheeva, M O Golovastova, E I Kabanova, M S Savchenko, M V Serebryakova, L F Sotnikova, A A Zamyatnin, P P Philippov, I I Senin
Perioperative corneal abrasion is an ophthalmic complication commonly found in patients underwent general anesthesia. In this study, correlations between development of corneal injury and proteomic changes in tear film during general anesthesia were examined using an animal (rabbit) model. Being started after 1-h anesthesia, the process of accumulation of pathological changes in the cornea unequivocally led clinically significant abrasions following 3-6 h of the narcosis. The corneal damage was associated with alterations in profiles of major proteins of the tear film...
November 2016: Biomedit︠s︡inskai︠a︡ Khimii︠a︡
https://www.readbyqxmd.com/read/28009794/ocular-straylight-with-different-multifocal-contact-lenses
#19
Grzegorz Łabuz, Norberto López-Gil, Thomas J T P van den Berg, Fernando Vargas-Martín
PURPOSE: Multifocal contact lenses have been growing in popularity as a modality to correct presbyopic eyes, although visual side effects such as disability glare have been reported. The objective of this study was to investigate the effect of multifocal contact lenses on disability glare by means of ocular straylight. METHODS: A prospective randomized, comparative study was performed that included 16 subjects free of ocular pathology. Straylight was measured using a commercial straylight meter with the natural and dilated pupil...
December 22, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28009792/clinical-features-in-children-with-posterior-polymorphous-corneal-dystrophy
#20
Ye Jin Ahn, Soon Il Choi, Hae Ri Yum, Sun Young Shin, Shin Hae Park
PURPOSE: To describe clinical features in children diagnosed with posterior polymorphous corneal dystrophy (PPCD) in their first or second decade of life. METHODS: A retrospective study was performed with the medical records of seven unrelated Korean pediatric patients who were diagnosed with PPCD and were followed up for a minimum of 3 years. Thorough ocular examinations were performed, including best-corrected visual acuity, intraocular pressure, refractive and keratometric measurements, slit-lamp biomicroscopy, and specular microscopy at all visits...
December 22, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
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