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https://www.readbyqxmd.com/read/29156847/longitudinal-relationship-between-traumatic-brain-injury-and-the-risk-of-incident-optic-neuropathy-a-10-year-follow-up-nationally-representative-taiwan-survey
#1
Ying-Jen Chen, Chang-Min Liang, Ming-Cheng Tai, Yun-Hsiang Chang, Tzu-Yu Lin, Chi-Hsiang Chung, Fu-Huang Lin, Chang-Huei Tsao, Wu-Chien Chien
Accumulating evidences had shown that traumatic brain injury was associated with visual impairment or vision loss. However, there were a limited number of empirical studies regarding the longitudinal relationship between traumatic brain injury and incident optic neuropathy. We studied a cohort from the Taiwanese National Health Insurance data comprising 553918 participants with traumatic brain injury and optic neuropathy-free in the case group and 1107836 individuals without traumatic brain injury in the control group from 1st January 2000...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156695/mir-2964a-5p-binding-site-snp-regulates-atm-expression-contributing-to-age-related-cataract-risk
#2
Han Rong, Shanshan Gu, Guowei Zhang, Lihua Kang, Mei Yang, Junfang Zhang, Xinyue Shen, Huaijin Guan
This study was to explore the involvement of DNA repair genes in the pathogenesis of age-related cataract (ARC). We genotyped nine single nucleotide polymorphisms (SNPs) of genes responsible to DNA double strand breaks (DSBs) in 804 ARC cases and 804 controls in a cohort of eye diseases in Chinese population and found that the ataxia telangiectasia mutated (ATM) gene-rs4585:G>T was significantly associated with ARC risk. An in vitro functional test found that miR-2964a-5p specifically down-regulated luciferase reporter expression and ATM expression in the cell lines transfected with rs4585 T allele compared to rs4585 G allele...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156690/abnormal-amplitude-of-low-frequency-fluctuations-associated-with-rapid-eye-movement-in-chronic-primary-insomnia-patients
#3
Qian Ran, Jia Chen, Chuan Li, Li Wen, Faguo Yue, Tongsheng Shu, Jianxun Mi, Guangxian Wang, Lei Zhang, Dong Gao, Dong Zhang
Purpose: Chronic primary insomnia (CPI) is the most prevalent sleep disorder worldwide. CPI manifests as difficulties in sleep onset, maintaining sleep, prolonged sleep latency, and daytime impairment and is often accompanied by cognitive problems such as poor academic performance, poor attention, and decreased memory. The most popular explanation of insomnia is hyperarousal or increased activities of neurons. Rapid eye movement (REM) sleep detected by polysomnography (PSG) exhibits a positive relationship with brain homeostasis and can be helpful for optimally preparing an organism for emotional and social function...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156649/short-term-choriocapillaris-changes-in-patients-with-central-serous-chorioretinopathy-after-half-dose-photodynamic-therapy
#4
Marco Nassisi, Carlo Lavia, Camilla Alovisi, Luca Musso, Chiara M Eandi
BACKGROUND: Although photodynamic therapy (PDT) has become the standard treatment for central serous chorioretinopathy (CSC), its mechanism of action remains unclear. It is assumed that PDT induces short-term choriocapillaris (CC) occlusion and long-term choroidal vascular remodeling. In this paper, we describe the short-term CC changes induced by Half-Dose PDT (HD-PDT) in chronic CSC using optical coherence tomography-angiography (OCTA). METHODS: This is a prospective interventional case series...
November 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156494/comparative-analysis-of-vestibular-ecomorphology-in-birds
#5
Roger B J Benson, Ethan Starmer-Jones, Roger A Close, Stig A Walsh
The bony labyrinth of vertebrates houses the semicircular canals. These sense rotational accelerations of the head and play an essential role in gaze stabilisation during locomotion. The sizes and shapes of the semicircular canals have hypothesised relationships to agility and locomotory modes in many groups, including birds, and a burgeoning palaeontological literature seeks to make ecological interpretations from the morphology of the labyrinth in extinct species. Rigorous tests of form-function relationships for the vestibular system are required to support these interpretations...
December 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/29156473/-calculations-of-intraocular-lenses-implant-intended-to-minimise-postoperative-vertical-anisometropia
#6
Dieter Methling
Modern measuring instruments calculate the values of intraocular lenses implant preoperatively. This calculation is performed separately for each eye. No information is available on the postoperative binocular effect, especially in regard to vertical anisometropia (difference between the values of the vertical principial meridians of the right and the left spectacle lens). In this publication, a computer programme is introduced to calculate the values of intraocular lenses implant for both eyes together. With this program, vertical anisometropia is only 0...
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29156470/-functional-and-anatomic-outcomes-of-primary-and-secondary-internal-limiting-membrane-transplantation-in-large-and-persistent-macular-holes
#7
Jelka A Hess, Stephan Michels, Matthias D Becker
Background The gold standard therapy for full-thickness macular holes (FTMH) is vitrectomy (PPV) with peeling of the internal limiting membrane (ILM), gas tamponade of the vitreous cavity and postoperative face-down positioning. Nevertheless, eyes with large macular holes (> 400 µm) and surgical failures remain difficult to manage. Recently, ILM transplantation (ILM-TX) techniques were developed with acceptable results, advocating different mechanisms of hole closure: in such a setting, the ILM could serve as a scaffold for neuronal tissue in the pedicle ILM flap technique or the ILM could induce a contraction of the FTMH rims through shrinking of a folded ILM plug...
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29156465/-pseudophacic-additive-lenses
#8
Fritz H Hengerer, Ina Conrad-Hengerer
Implantation of artificial intraocular lenses (IOL) after cataract removal today represents the standard of care in the field of anterior segment surgery. In refractive lens exchange cases the natural lens is replaced by an IOL to correct different types of refractive situations. In the majority of the operations the refractive result is satisfying with only few deviations from target refraction.But daily practice reveals some outliers from the intended corrections with the need for further refractive enhancements, respectively...
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29156348/development-of-photoprotective-antiphototoxic-and-antiphotogenotoxic-formulations-of-ocular-drugs-with-fluoroquinolones
#9
Anna Zgadzaj, Joanna Kornacka, Anita Jastrzębska, Andrzej Parzonko, Sylwester Sommer, Grzegorz Nałęcz-Jawecki
The development of innovative solutions in photosafety of photolabile pharmaceutical products may help to reduce the adverse effects of these products, caused by light exposure. Providing new data in this area of study is particularly important in case of drugs applied topically on sensitive organs such as eyes. The main goal of this research is to investigate whether two potential excipients, namely: p-coumaric acid and benzophenone-4, affect the photodegradation, phototoxicity and photogenotoxicity of water solutions of four fluoroquinolones: ciprofloxacin, lomefloxacin, fleroxacin and clinafloxacin...
November 9, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29156258/developing-an-online-tool-for-identifying-at-risk-populations-to-wildfire-smoke-hazards
#10
Ambarish Vaidyanathan, Fuyuen Yip, Paul Garbe
Wildfire episodes pose a significant public health threat in the United States. Adverse health impacts associated with wildfires occur near the burn area as well as in places far downwind due to wildfire smoke exposures. Health effects associated with exposure to particulate matter arising from wildfires can range from mild eye and respiratory tract irritation to more serious outcomes such as asthma exacerbation, bronchitis, and decreased lung function. Real-time operational forecasts of wildfire smoke concentrations are available but they are not readily integrated with information on vulnerable populations necessary to identify at-risk communities during wildfire smoke episodes...
November 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29155966/crustacean-larvae-vision-in-the-plankton
#11
Thomas W Cronin, Michael J Bok, Chan Lin
We review the visual systems of crustacean larvae, concentrating on the compound eyes of decapod and stomatopod larvae as well as the functional and behavioral aspects of their vision. Larval compound eyes of these macrurans are all built on fundamentally the same optical plan, the transparent apposition eye, which is eminently suitable for modification into the abundantly diverse optical systems of the adults. Many of these eyes contain a layer of reflective structures overlying the retina that produces a counterilluminating eyeshine, so they are unique in being camouflaged both by their transparency and by their reflection of light spectrally similar to background light to conceal the opaque retina...
November 1, 2017: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/29155856/treatment-with-solubilized-silk-derived-protein-sdp-enhances-rabbit-corneal-epithelial-wound-healing
#12
Waleed Abdel-Naby, Brigette Cole, Aihong Liu, Jingbo Liu, Pengxia Wan, Ryan Schreiner, David W Infanger, Nicholas B Paulson, Brian D Lawrence, Mark I Rosenblatt
There is a significant clinical need to improve current therapeutic approaches to treat ocular surface injuries and disease, which affect hundreds of millions of people annually worldwide. The work presented here demonstrates that the presence of Silk-Derived Protein (SDP) on the healing rabbit corneal surface, administered in an eye drop formulation, corresponds with an enhanced epithelial wound healing profile. Rabbit corneas were denuded of their epithelial surface, and then treated for 72-hours with either PBS or PBS containing 5 or 20 mg/mL SDP in solution four times per day...
2017: PloS One
https://www.readbyqxmd.com/read/29155795/in-vivo-imaging-of-cx3cr1gfp-gfp-reporter-mice-with-spectral-domain-optical-coherence-tomography-and-scanning-laser-ophthalmoscopy
#13
Despina Kokona, Joël Jovanovic, Andreas Ebneter, Martin S Zinkernagel
Spectral domain optical coherence tomography (SD-OCT) and scanning laser ophthalmoscopy (SLO) are extensively used in experimental ophthalmology. In the present protocol, mice expressing green fluorescent protein (gfp) under the promoter of Cx3cr1 (BALB/c-Cx3cr1(gfp/gfp)) were used to image microglia cells in vivo in the retina. Microglia are resident macrophages of the retina and have been implicated in several retinal diseases(1)(,)(2)(,)(3)(,)(4)(,)(5)(,)(6). This protocol provides a detailed approach for generation of retinal B-scans, with SD-OCT, and imaging of microglia cell distribution in Cx3cr1(gfp/gfp) mice with SLO in vivo, using an ophthalmic imaging platform system...
November 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155789/efficient-generation-and-editing-of-feeder-free-ipscs-from-human-pancreatic-cells-using-the-crispr-cas9-system
#14
Anjali Nandal, Barbara Mallon, Bhanu P Telugu
Embryonic and induced pluripotent stem cells can self-renew and differentiate into multiple cell types of the body. The pluripotent cells are thus coveted for research in regenerative medicine and are currently in clinical trials for eye diseases, diabetes, heart diseases, and other disorders. The potential to differentiate into specialized cell types coupled with the recent advances in genome editing technologies including the CRISPR/Cas system have provided additional opportunities for tailoring the genome of iPSC for varied applications including disease modeling, gene therapy, and biasing pathways of differentiation, to name a few...
November 8, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155757/dissection-of-human-retina-and-rpe-choroid-for-proteomic-analysis
#15
Thiago Cabral, Marcus A Toral, Gabriel Velez, James E DiCarlo, Anuradha M Gore, MaryAnn Mahajan, Stephen H Tsang, Alexander G Bassuk, Vinit B Mahajan
The human retina is composed of the sensory neuroretina and the underlying retinal pigmented epithelium (RPE), which is firmly complexed to the vascular choroid layer. Different regions of the retina are anatomically and molecularly distinct, facilitating unique functions and demonstrating differential susceptibility to disease. Proteomic analysis of each of these regions and layers can provide vital insights into the molecular process of many diseases, including Age-Related Macular Degeneration (AMD), diabetes mellitus, and glaucoma...
November 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155698/bull-s-eye-maculopathy-with-mutations-in-rds-prph2-and-rom-1
#16
Juliet O Essilfie, Christian J Sanfilippo, David Sarraf
PURPOSE: To report a case of bull's eye maculopathy associated with mutations in RDS/PRPH2 and ROM-1 genes. METHODS: We present a case report of a patient with a characteristic maculopathy and describe the multimodal retinal imaging findings including spectral domain optical coherence tomography and fundus autofluorescence and full-field electrophysiology. The results of genetic testing are also reported. RESULTS: A 60-year-old woman presented with decreased vision and a remarkable bull's eye maculopathy with retinal examination...
November 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29155697/acute-intraoperative-suprachoroidal-hemorrhage-during-small-gauge-pars-plana-vitrectomy
#17
Intira Sukpen, Jay M Stewart
PURPOSE: To report the intraoperative occurrence of acute intraoperative suprachoroidal hemorrhage during small-gauge pars plana vitrectomy. METHOD: A review of a surgical patient who developed acute intraoperative suprachoroidal hemorrhage during small-gauge pars plana vitrectomy because of bucking under general anesthesia. RESULTS: A 32-year-old obese woman with proliferative diabetic retinopathy and traction retinal detachment in the left eye who developed intraoperative suprachoroidal hemorrhage during small-gauge pars plana vitrectomy because of bucking under general anesthesia while doing endolaser under air infusion...
November 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29155696/safety-of-consecutive-same-day-bilateral-intravitreal-dexamethasone-implant-ozurdex
#18
Kapil G Kapoor, James B Colchao
PURPOSE: The objective of this study was to evaluate patient safety and tolerance of consecutive bilateral intravitreal dexamethasone (Ozurdex) injections during a single visit for the treatment of cystoid macular edema secondary to retinal vein occlusion, diabetic macular edema, or noninfectious posterior uveitis. METHODS: This was a retrospective single-center institutional review board-approved study from March 1, 2013, through August 1, 2016. All patients had a complete ophthalmologic examination and optical coherence tomography imaging...
November 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29155695/citrobacter-endogenous-endophthalmitis-a-case-report-and-review-of-the-literature
#19
Daniel H T Wong, Candice C H Liu, Justin M K Tong, Wei-Kwang Luk, Kenneth K W Li
PURPOSE: We present a case of endogenous endophthalmitis because of an unusual bacterium, Citrobacter koseri. PATIENT: A 57-year-old woman without previous history of eye surgery or trauma presented with diabetic ketoacidosis and a painful right eye with the reduction of vision. C. koseri was identified in blood culture; thus, a diagnosis of right eye endogenous endophthalmitis was made. Intravenous and intravitreal antibiotics were both started, and vitreous culture further confirmed C...
November 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29155694/paracentral-acute-middle-maculopathy-in-primary-congenital-glaucoma
#20
Yavuz K Aribas, Zeynep Aktas, Kemal Bayrakceken, Tuba Atalay, Sengul Ozdek
PURPOSE: To report a case of primary congenital glaucoma associated with paracentral acute middle maculopathy. METHODS: A case report. RESULTS: A 14-year-old girl with undiagnosed primary congenital glaucoma was referred for the evaluation of sudden vision loss a week after the initial symptoms. Visual acuity was counting fingers at 2 m in the right eye. Examination of her right eye revealed corneal stromal scar like Haab striae, splinter hemorrhage at the temporal border of the optic disk, perivenular hemorrhage, and fern-like white area at the macula...
November 16, 2017: Retinal Cases & Brief Reports
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