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https://www.readbyqxmd.com/read/28443810/-transient-monocular-vision-loss
#1
E J Volkers, R C J M Donders, A Algra, L J Kapelle
Transient monocular vision loss (TMVL) caused by temporary disturbance of blood flow to the retina is a harbinger of future vascular complications. The diagnosis may be difficult, not only because it is solely dependent on history taking, but also because the range of monocular visual symptoms a patient may experience is wide. The classic pattern of a sudden black or grey visual field, or a curtain that is drooping in front of one eye, easily fits in the diagnosis of TMVL; however, coloured vision or flashes should not always be considered as benign...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28428893/characteristics-and-racial-variations-of-polypoidal-choroidal-vasculopathy-in-tertiary-centers-in-the-united-states-and-united-kingdom
#2
Tarek Alasil, Nelida Munoz, Pearse A Keane, Adnan Tufail, Patrick A Coady, Eduardo Novais, Talisa E de Carlo, Caroline R Baumal, Nadia K Waheed, Jay S Duker, Ron A Adelman
PURPOSE: To evaluate the characteristics and racial variations amongst patients with polypoidal choroidal vasculopathy (PCV) in the United States and the United Kingdom. METHODS: Fundus photos and indocyanine green angiography images were evaluated in a multicenter retrospective study to establish the diagnosis of PCV. Visual acuity (VA) was recorded in ETDRS letter count. RESULTS: Eighty eyes of 71 PCV patients (average age of 69.4 ± 10...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28413391/minocycline-induced-hyperpigmentation-in-a-patient-treated-with-erlotinib-for-non-small-cell-lung-adenocarcinoma
#3
Ann T Bell, John W Roman, Max L Gratrix, Christina E Brzezniak
INTRODUCTION: While epidermal growth factor receptor (EGFR) inhibitors have improved progression-free survival in patients with non-small cell lung cancer (NSCLC), one of the most common adverse effects is papulopustular skin eruption, which is frequently severe enough to be treated with oral minocycline or doxycycline. CASE: We present a case of an 87-year-old man who developed a severe papulopustular skin eruption secondary to erlotinib therapy for NSCLC. Control of the eruption with 100 mg of minocycline twice daily for 8 months eventually led to blue-gray skin hyperpigmentation...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28402486/the-iterative-nature-of-person-construal-evidence-from-event-related-potentials
#4
Hannah I Volpert-Esmond, Edgar C Merkle, Bruce D Bartholow
Recently, a dynamic-interactive model of person construal (DI model) has been proposed, whereby the social categories a person represents are determined on the basis of an iterative integration of bottom-up and top-down influences. The current study sought to test this model by leveraging the high temporal resolution of event-related brain potentials (ERPs) as 65 participants viewed male faces that varied by race (White vs. Black), fixating either between the eyes or on the forehead. Within face presentations, the effect of fixation, meant to vary bottom-up visual input, initially was large but decreased across early-latency neural responses identified by a principal components analysis (PCA)...
April 11, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28402009/genetic-relationships-between-temperament-of-calves-at-auction-and-carcass-traits-in-japanese-black-cattle
#5
Kazuya Takeda, Hiroshi Uchida, Keiichi Inoue
Correlations of calves' temperament with carcass traits were estimated to clarify the genetic relationships between them in Japanese Black cattle. The temperament records for 3128 calves during auction at a calf market were scored on a scale of 1 (calm) to 5 (nervous) as temperament score (TS), and the TS were divided into two groups (TSG): TS 1 and 2 comprised TSG 1, and 3 to 5 constituted TSG 2. Carcass data were obtained from 33 552 fattened cattle. A threshold animal model was used for analyzing the underlying liability for TSG, whereas a linear one was used for TS and carcass traits...
April 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28399037/ocular-argyrosis-mimicking-conjunctival-melanoma
#6
Irwin Tendler, Melissa P Pulitzer, Victor Roggli, David H Abramson, Brian P Marr
PURPOSE: To present a novel case of ocular argyrosis mimicking conjunctival melanoma. METHODS: A 48-year-old man who is a jewelry manufacturer presented with raised pigmented lesions in the inferior fornices of both eyes. Brown-black colored, follicle-like, masses were observed in both fornices. RESULTS: An incisional biopsy confirmed the presence of silver and the diagnosis of ocular argyrosis. CONCLUSIONS: Despite its limited negative health effects, ocular argyrosis should be considered in the differential diagnosis of conjunctival pigmented lesions because of the potential for misidentification of neoplastic growth...
April 10, 2017: Cornea
https://www.readbyqxmd.com/read/28393120/raman-identification-of-cuneiform-tablet-pigments-emphasis-and-colour-technology-in-ancient-mesopotamian-mid-third-millennium
#7
Daniele Chiriu, Pier Carlo Ricci, Carlo Maria Carbonaro, Davide Nadali, Andrea Polcaro, Paul Collins
Cuneiform tablets tell the life and culture of Sumerian people in a sort of black and white tale because of the binary engraving technique. A leading question arises: did Mesopotamian people apply some kind of colour to decorate their tablets or to put emphasis on selected words? Some administrative and literary Sumerian cuneiform tablets of mid-third Millennium B.C. from the site of Kish (central Mesopotamia, modern Iraq) were dug up in twentieth-century and stored at the Ashmolean Museum of the Oxford University...
March 2017: Heliyon
https://www.readbyqxmd.com/read/28382942/himalayan-black-bulbuls-hypsipetes-leucocephalus-niggerimus-exhibit-sexual-dichromatism-under-ultraviolet-light-that-is-invisible-to-the-human-eye
#8
Hsin-Yi Hung, Carol K L Yeung, Kevin E Omland, Cheng-Te Yao, Chiou-Ju Yao, Shou-Hsien Li
Sexual dichromatism is a key proxy for the intensity of sexual selection. Studies of dichromatism in birds may, however, have underestimated the intensity and complexity of sexual selection because they used museum specimens alone without taking colour-fading into account or only measured conspicuous visual traits in live animals. We investigated whether the Himalayan black bulbul (Hypsipetes leucocephalus nigerrimus), which is sexually monomorphic to the human eye, exhibits sexual dichromatism distinguishable by a spectrometer...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28371026/interaction-and-developmental-activation-of-two-neuroendocrine-systems-that-regulate-light-mediated-skin-pigmentation
#9
Gabriel E Bertolesi, Yi Nong Song, Karen Atkinson-Leadbeater, Jung-Lynn Jonathan Yang, Sarah McFarlane
Lower vertebrates use rapid light-regulated changes in skin colour for camouflage (background adaptation) or during circadian variation in irradiance levels. Two neuroendocrine systems, the eye/alpha melanocyte stimulating hormone (α-MSH) and the pineal complex/melatonin circuits, regulate the process through their respective dispersion and aggregation of pigment granules (melanosomes) in skin melanophores. During development, Xenopus laevis tadpoles raised on a black background or in the dark perceive less light sensed by the eye and darken in response to increased α-MSH secretion...
March 30, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28369894/larval-development-and-allometric-growth-of-the-black-faced-blenny-tripterygion-delaisi
#10
F N Solomon, D Rodrigues, E J Gonçalves, E A Serrão, R Borges
Larval development and allometric growth patterns of the black-faced blenny Tripterygion delaisi are described from a larval series (body length, LB  = 3·30-12·10 mm) caught by light traps at the Arrábida Marine Park, Portugal. Larvae of T. delaisi possess distinctive morphometric and meristic characteristics which can be used to identify this species from related taxa. Pigmentation is sparse but characteristic, consisting of pigmented eyes, gas bladder pigmentation in the dorsal region, anal pigmentation and a row of regularly spaced postanal ventral melanophores...
April 3, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28369280/mortality-of-eggs-and-newly-hatched-larvae-of-lobesia-botrana-lepidoptera-tortricidae-exposed-to-high-temperatures-in-the-laboratory
#11
F Kiaeian Moosavi, E Cargnus, F Pavan, P Zandigiacomo
The hypothesis that bunch-zone leaf removal reduces infestations of the European grapevine moth, Lobesia botrana (Denis & Schiffermüller) (Lepidoptera: Tortricidae), by increasing egg and larval mortality owing to sunlight exposure was evaluated in the laboratory by subjecting different egg stages (white, red-eyes, and black-head) and newly hatched larvae to high temperatures. Based on temperatures recorded in a northern Italian vineyard on sun-exposed berries belonging to south-west facing bunches, eggs were subjected to constant temperatures of 40 °C and 37 °C for one or two periods of 3 or 6 h, and to 24-h temperature cycle with peak of 40 °C...
March 22, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28350045/anti%C3%A2-wrinkle-effect-of-fermented-black-ginseng-on-human-fibroblasts
#12
Quynh Lien Pham, Hyun-Jun Jang, Kyu-Bong Kim
Fermented black ginseng (FBG) is processed by the repeated steaming and drying of fresh ginseng followed by fermentation with Saccharomyces cerevisiae. It is known to possess anti‑oxidative effects. Skin wrinkle formation is associated with oxidative stress and inflammatory reactions. The aim of this study was to determine whether FBG possesses anti‑wrinkle activity using human fibroblasts (HS68). According to the Korea Ministry of Food and Drug Safety (MFDS) guidelines for the evaluation of the efficacy of functional anti‑wrinkle cosmetics, we attempted to elucidate the effects of FBG on type I procollagen, matrix metalloproteinase (MMP)‑1, MMP‑2, MMP‑9 and tissue inhibitor of metalloproteinase‑2 (TIMP‑2)...
January 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28334336/ophthalmic-screening-patterns-among-youths-with-diabetes-enrolled-in-a-large-us-managed-care-network
#13
Sophia Y Wang, Chris A Andrews, Thomas W Gardner, Michael Wood, Kanakadurga Singer, Joshua D Stein
Importance: Ophthalmic screening to check for diabetic retinopathy (DR) is important to prevent vision loss in persons with diabetes. The American Academy of Ophthalmology recommends that ophthalmic screening for DR occur beginning at 5 years after initial diabetes diagnosis for youths with type 1 diabetes; the American Diabetes Association recommends screening of youths with type 2 diabetes at the time of initial diagnosis. To our knowledge, it is unknown to what extent youths with diabetes obtain eye examinations in accordance with these guidelines...
March 23, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28322220/early-onset-progressive-retinal-atrophy-associated-with-an-iqcb1-variant-in-african-black-footed-cats-felis-nigripes
#14
Annie Oh, Jacqueline W Pearce, Barbara Gandolfi, Erica K Creighton, William K Suedmeyer, Michael Selig, Ann P Bosiack, Leilani J Castaner, Rebecca E H Whiting, Ellen B Belknap, Leslie A Lyons
African black-footed cats (Felis nigripes) are endangered wild felids. One male and full-sibling female African black-footed cat developed vision deficits and mydriasis as early as 3 months of age. The diagnosis of early-onset progressive retinal atrophy (PRA) was supported by reduced direct and consensual pupillary light reflexes, phenotypic presence of retinal degeneration, and a non-recordable electroretinogram with negligible amplitudes in both eyes. Whole genome sequencing, conducted on two unaffected parents and one affected offspring was compared to a variant database from 51 domestic cats and a Pallas cat, revealed 50 candidate variants that segregated concordantly with the PRA phenotype...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28314416/prevention-of-sport-related-facial-injuries
#15
REVIEW
Amanda M Black, Declan A Patton, Paul H Eliason, Carolyn A Emery
There is evidence that eye protection, mouth guards, helmets, and face guards are effective in reducing the risk of facial injury; however, such safety practices are not adopted universally by all athletes playing high-risk sports. Underlying beliefs about risk perception, comfort, ineffectiveness, utility, and a lack of awareness or enforcement have been identified as reasons people may not adopt preventive measures. There are several high-risk sports that have not mandated or do not enforce use of protective equipment...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28296058/a-comparison-between-the-larval-eyes-of-the-dimly-luminescent-keroplatus-nipponicus-and-the-brightly-luminescent-arachnocampa-luminosa-diptera-keroplatidae
#16
V Benno Meyer-Rochow, Yumi Yamahama
Larvae of the weakly blue-luminescent fungus gnat Keroplatus nipponicus possess on either side of their heads a small black stemmatal eye with a plano-convex lens approximately 25 μm in diameter. In total, 12-14 retinula cells give rise to a centrally fused rhabdom of up to 8 μm in diameter. The rhabdom's constituent microvilli, approximately 70 nm in width, are roughly orthogonally oriented, a requirement for polarization sensitivity. Screening pigment granules are abundant in the retinula cells and measure at least 1 μm in diameter...
March 9, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28293433/eye-tracking-as-a-tool-to-evaluate-functional-ability-in-everyday-tasks-in-glaucoma
#17
REVIEW
Enkelejda Kasneci, Alex A Black, Joanne M Wood
To date, few studies have investigated the eye movement patterns of individuals with glaucoma while they undertake everyday tasks in real-world settings. While some of these studies have reported possible compensatory gaze patterns in those with glaucoma who demonstrated good task performance despite their visual field loss, little is known about the complex interaction between field loss and visual scanning strategies and the impact on task performance and, consequently, on quality of life. We review existing approaches that have quantified the effect of glaucomatous visual field defects on the ability to undertake everyday activities through the use of eye movement analysis...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28293201/accessibility-of-referent-information-influences-sentence-planning-an-eye-tracking-study
#18
Lesya Y Ganushchak, Agnieszka E Konopka, Yiya Chen
This study investigated the time-course of online sentence formulation (i.e., incrementality in sentence planning) as a function of the preceding discourse context. In two eye-tracking experiments, participants described pictures of transitive events (e.g., a frog catching a fly). The accessibility of the agent (Experiment 1) and patient (Experiment 2) was manipulated in the discourse preceding each picture. In the Literal condition, participants heard a story where the agent or patient was mentioned explicitly (fly, frog)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28288454/validation-of-the-nuclear-cataract-grading-system-bcn-10
#19
Rafael I Barraquer, Laura Pinilla Cortés, Miriam J Allende, Gustavo A Montenegro, Bozidar Ivankovic, Justin Christopher D'Antin, Hernán Martínez Osorio, Ralph Michael
PURPOSE: To evaluate a new nuclear cataract grading system which is intended as a surgical guidance system to predict lens hardness before cataract surgery. METHODS: The new BCN 10 grading system consists of frontal and cross-sectional slit-lamp images of human eye lenses, ranging from a completely transparent lens nucleus to a totally black nuclear cataract. Validation was done with 9 observers for 110 cases. Two modalities were applied, and observers were asked to use only whole digits and then half digits for grading...
2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28287859/a-mixed-methods-evaluation-of-a-community-based-glaucoma-check-service-in-hackney-london-uk
#20
Elizabeth Holdsworth, Jessica Datta, Dalya Marks, Hannah Kuper, Helen Lee, Shaun Leamon, Robert Lindfield, Richard Wormald, Jonathan Clarke, Ahmed Elkarmouty, Wendy Macdowall
PURPOSE: To evaluate the uptake, feasibility and acceptability of a general practice-based optometrist-led glaucoma check service. The service targeted people of black Caribbean and black African descent aged 40-65 years, resident in Hackney, London, United Kingdom. METHODS: The study used a mixed-method design, including analysis of service data, prospective audit of secondary care referrals patient survey, cost-consequence analysis, and interviews with staff involved in developing and implementing the service...
March 13, 2017: Ophthalmic Epidemiology
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