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https://www.readbyqxmd.com/read/28742840/glaucomatous-changes-in-lamina-pores-shape-within-the-lamina-cribrosa-using-wide-bandwidth-femtosecond-mode-locked-laser-oct
#1
Takuhei Shoji, Hiroto Kuroda, Masayuki Suzuki, Hisashi Ibuki, Makoto Araie, Shin Yoneya
PURPOSE: The lamina cribrosa (LC) is known to play a critical role in the pathogenesis of glaucoma. Although it has been reported that striae-shaped or slit-shaped lamina pores are more frequent in eyes with primary open angle glaucoma (POAG), this observation is based only on fundus photography. The primary object of this study is to perform layer-by-layer comparisons of the shape of lamina pores within the LC in vivo. DESIGN: Cross-sectional study. METHODS: Optic nerve head B-scans were obtained using custom-made broad-wavelength optical coherence tomography with a mode-locked laser...
2017: PloS One
https://www.readbyqxmd.com/read/28740736/capability-of-ophthalmology-residents-to-detect-glaucoma-using-high-dynamic-range-concept-versus-color-optic-disc-photography
#2
Mantapond Ittarat, Rath Itthipanichpong, Anita Manassakorn, Visanee Tantisevi, Sunee Chansangpetch, Prin Rojanapongpun
BACKGROUND: Assessment of color disc photograph (C-DP) is affected by image quality, which decreases the ability to detect glaucoma. High-dynamic-range (HDR) imaging provides a greater range of luminosity. Therefore, the objective of this study was to evaluate the capability of ophthalmology residents to detect glaucoma using HDR-concept disc photography (HDR-DP) compared to C-DP. DESIGN: Cross-sectional study. METHODS: Twenty subjects were classified by 3 glaucoma specialists as either glaucoma, glaucoma suspect, or control...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28740735/structure-and-function-relationship-of-activated-retinal-glia-in-primary-open-angle-glaucoma-patients
#3
Christoph Nützi, Andreas Schötzau, Matthias C Grieshaber
PURPOSE: To evaluate clinically activated retinal astrocytes and Müller cells (ARAM) regarding retinal sensitivity and retinal nerve fiber layer (RNFL) thickness in primary open-angle glaucoma (POAG). METHODS: Central visual field (VF; i.e., retinal sensitivity) was measured with a custom-made macular pattern by microperimetry and correlated with the presence (ARAM+) or absence (ARAM-) of ARAM on red-free fundus photography and with the corresponding RNFL by optical coherence tomography (OCT)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28739106/drilling-discharges-reduce-sediment-reworking-of-two-benthic-species
#4
Hilde Cecilie Trannum
Effects of water-based drill cuttings on sediment reworking activity were studied on two important benthic bioturbators (the bivalve Abra segmentum and the brittle star Amphiura filiformis) using thin aquaria, fluorescent-dyed sediment particles (luminophores), time lapse photography and image analysis. In the present context, sediment reworking activity was measured as maximum mixing depth and total amount of luminophores transported below the sediment-water interface. There was a significant reduction in the amount of downward transported luminophores in drill cuttings treatments compared to controls with added natural sediments for both species, which also was true regarding maximum mixing depth for A...
July 21, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28739100/movement-of-retinal-vessels-toward-the-optic-nerve-head-after-increasing-intraocular-pressure-in-monkey-eyes-with-experimental-glaucoma
#5
Atsumi Kuroda, Nobuko Enomoto, Kyoko Ishida, Masamitsu Shimazawa, Tetsuro Noguchi, Naoto Horai, Hirotaka Onoe, Hideaki Hara, Goji Tomita
A shift or displacement of the retinal blood vessels (RBVs) with neuroretinal rim thinning indicates the progression of glaucomatous optic neuropathy. In chronic open angle glaucoma, individuals with RBV positional shifts exhibit more rapid visual field loss than those without RBV shifts. The retinal vessels reportedly move onto the optic nerve head (ONH) in response to glaucoma damage, suggesting that RBVs are pulled toward the ONH in response to increased cupping. Whether this phenomenon only applies to RVBs located in the vicinity or inside the ONH or, more generally, to RBVs also located far from the ONH, however, is unclear...
July 21, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28736754/age-related-macular-degeneration-in-a-randomized-controlled-trial-of-low-dose-aspirin-rationale-and-study-design-of-the-aspree-amd-study
#6
Liubov Robman, Robyn Guymer, Robyn Woods, Stephanie Ward, Rory Wolfe, James Phung, Lauren Hodgson, Galina Makeyeva, Khin Zaw Aung, Tom Gilbert, Jessica Lockery, Y-Anh Le-Pham, Suzanne Orchard, Elsdon Storey, Walter Abhayaratna, Daniel Reid, Michael E Ernst, Mark Nelson, Christopher Reid, John McNeil
PURPOSE: Although aspirin therapy is used widely in older adults for prevention of cardiovascular disease, its impact on the incidence, progression and severity of age-related macular degeneration (AMD) is uncertain. The effect of low-dose aspirin on the course of AMD will be evaluated in this clinical trial. DESIGN: A sub-study of the 'ASPirin in Reducing Events in the Elderly' (ASPREE) trial, ASPREE-AMD is a 5-year follow-up double-blind, placebo-controlled, randomized trial of the effect of 100 mg daily aspirin on the course of AMD in 5000 subjects aged 70 years or older, with normal cognitive function and without cardiovascular disease at baseline...
June 2017: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/28736728/the-influence-of-apical-and-basal-defoliation-on-the-canopy-structure-and-biochemical-composition-of-vitis-vinifera-cv-shiraz-grapes-and-wine
#7
Pangzhen Zhang, Xiwen Wu, Sonja Needs, Di Liu, Sigfredo Fuentes, Kate Howell
Defoliation is a commonly used viticultural technique to balance the ratio between grapevine vegetation and fruit. Defoliation is conducted around the fruit zone to reduce the leaf photosynthetic area, and to increase sunlight exposure of grape bunches. Apical leaf removal is not commonly practiced, and therefore its influence on canopy structure and resultant wine aroma is not well-studied. This study quantified the influences of apical and basal defoliation on canopy structure parameters using canopy cover photography and computer vision algorithms...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28734816/glaucoma-screening-in-nepal-cup-to-disc-estimate-with-standard-mydriatic-fundus-camera-compared-to-portable-non-mydriatic-camera
#8
Sarah E Miller, Suman Thapa, Alan L Robin, Leslie M Niziol, Pradeep Y Ramulu, Maria A Woodward, Indira Paudyal, Ian Pitha, Tyson N Kim, Paula Anne Newman-Casey
PURPOSE: To compare cup to disc ratio (CDR) measurements from images taken with a portable, 45° non-mydriatic fundus camera to images from a traditional table-top mydriatic fundus camera. DESIGN: Prospective, cross sectional, comparative instrument validation study. METHODS: materials-methods SETTING: Clinic-based. STUDY POPULATION: 422 eyes of 211 subjects were recruited from the Tilganga Institute of Ophthalmology (Kathmandu, Nepal)...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28733050/the-optical-imaging-of-an-idiopathic-paracentral-acute-middle-maculopathy-chinese-young-man-and-review-of-the-literatures
#9
REVIEW
Yanyan Chen, Yuedong Hu
We report a case of idiopathic paracentral acute middle maculopathy with typical optical imaging and clinical features. A 26-year-old Chinese policeman presented with a 20-day history of paracentral scotoma in the left eye after early wake-up and long-time working in front of computer the day before. He experienced sudden-onset strong flash in his left eye. Paracentral scotoma appeared in his left eye after 6hours of rest. The general history was negative. His best-corrected visual acuity was 20/20 OU. Anterior segment, dilated fundus examination, papillary evaluation and intraocular pressure were normal...
July 18, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28732969/suspension-characteristics-of-water-droplet-in-oil-under-ultrasonic-standing-waves
#10
Xiaoming Luo, Juhang Cao, Jing Ren, Haipeng Yan, Limin He
The suspension characteristics of water droplet in oil were investigated under ultrasonic standing waves with high-speed photography in this paper. Firstly, the suspension position of droplet was predicted by theoretical derivation. The motion trajectory of droplet was captured and a kinetic analysis was applied to characterize the suspension position of droplet. The effects of droplet size, acoustic pressure, frequency, as well as density ratio of water and oil on the suspension position of droplet were analyzed in details...
November 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28732589/accuracy-of-diagnostic-imaging-modalities-for-classifying-pediatric-eyes-as-papilledema-versus-pseudopapilledema
#11
Melinda Y Chang, Federico G Velez, Joseph L Demer, Laura Bonelli, Peter A Quiros, Anthony C Arnold, Alfredo A Sadun, Stacy L Pineles
PURPOSE: To identify the most accurate diagnostic imaging modality for classifying pediatric eyes as papilledema (PE) or pseudopapilledema (PPE). DESIGN: Prospective observational study. SUBJECTS: Nineteen children between the ages of 5 and 18 years were recruited. Five children (10 eyes) with PE, 11 children (19 eyes) with PPE owing to suspected buried optic disc drusen (ODD), and 3 children (6 eyes) with PPE owing to superficial ODD were included...
July 18, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28732316/a-user-friendly-technical-set-up-for-infrared-photography-of-forensic-findings
#12
Thomas Rost, Nicole Kalberer, Eva Scheurer
Infrared photography is interesting for a use in forensic science and forensic medicine since it reveals findings that normally are almost invisible to the human eye. Originally, infrared photography has been made possible by the placement of an infrared light transmission filter screwed in front of the camera objective lens. However, this set-up is associated with many drawbacks such as the loss of the autofocus function, the need of an external infrared source, and long exposure times which make the use of a tripod necessary...
July 10, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28730119/predictors-for-attending-annual-eye-screening-for-diabetic-retinopathy-amongst-patients-with-diabetes-in-an-urban-community-of-beijing
#13
Yan-Hong Zou, Qian Li, Shan-Shan Cui, Wei Jia, Ning Zhang, Kai Ma, Torkel Snellingen, Xi-Pu Liu
AIM: To gain a better understanding of possible factors that may influence the decision of diabetes persons to participate in annual eye screening in an urban community setting of China. METHODS: A structured interview including questions on attendance of eye screening, knowledge and awareness of diabetic retinopathy was conducted. The presence and degree of retinopathy were assessed using two field non-mydriatic retinal photography. RESULTS: Totally 720 diabetes persons were recruited and 519 were enrolled in this cross-sectional study...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729804/a-case-of-tooth-fracture-occurred-upon-medicating-bisphosphonate-for-an-elderly-person-preservation-therapy-and-responses-for-stage-0-of-bisphosphonate-related-osteonecrosis-of-jaw
#14
Noriko Suzuki, Hitoshi Oguchi, Yu Yamauchi, Yasuyo Karube, Yukimi Suzuki, Noriyasu Hosoya
This case report aimed to report the progress of preservation therapy and response of symptoms and signs for Stage 0 of bisphosphonate-related osteonecrosis of jaw (BRONJ). A 68-year-old female was recognized having a tooth at the left upper first molar fracture upon medicating bisphosphonate (BP) in 2007. At that time, the extraction of the tooth was an absolute contraindication. Therefore, we performed preservation therapy. We observed the symptoms and signs every month. After 5 months, swelling and redness in the entire first molar tooth were seen and fistula formed partly...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28728284/-association-of-diabetic-retinopathy-with-diabetic-peripheral-neuropathy-in-type-2-diabetic-patients-the-beijing-desheng-diabetic-eye-disease-study
#15
W W Wei, X F Yang, H Gu, N P Liu
Objective: To determine the prevalence of diabetic retinopathy (DR) and diabetic peripheral neuropathy (DPN) in the Beijing Desheng Diabetic Eye Disease Study cohort and to investigate the association between DR and DPN. Methods: Cross-sectional study in a type 2 diabetic cohort. Questionnaires were collected and physical examinations were performed. Ophthalmologic examinations consisted of visual acuity with pinhole, slit-lamp examination of the anterior segment and seven-field 30(o) mydriatic fundus photography...
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
#16
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/28727887/yag-laser-vitreolysis-vs-sham-yag-vitreolysis-for-symptomatic-vitreous-floaters-a-randomized-clinical-trial
#17
Chirag P Shah, Jeffrey S Heier
Importance: Vitreous floaters are common and can worsen visual quality. YAG vitreolysis is an untested treatment for floaters. Objective: To evaluate YAG laser vitreolysis vs sham vitreolysis for symptomatic Weiss ring floaters from posterior vitreous detachment. Design, Setting, and Participants: This single-center, masked, sham-controlled randomized clinical trial was performed from March 25, 2015, to August 3, 2016, in 52 eyes of 52 patients (36 cases and 16 controls) treated at a private ophthalmology practice...
July 20, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28718523/error-rate-of-automated-calculation-for-wound-surface-area-using-a-digital-photography
#18
S Yang, J Park, H Lee, J B Lee, B U Lee, B H Oh
BACKGROUND: Although measuring would size using digital photography is a quick and simple method to evaluate the skin wound, the possible compatibility of it has not been fully validated. PURPOSE: To investigate the error rate of our newly developed wound surface area calculation using digital photography. METHODS: Using a smartphone and a digital single lens reflex (DSLR) camera, four photographs of various sized wounds (diameter: 0.5-3.5 cm) were taken from the facial skin model in company with color patches...
July 17, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28715396/smartphone-fundus-photography
#19
Hossein Nazari Khanamiri, Austin Nakatsuka, Jaafar El-Annan
Smartphone fundus photography is a simple technique to obtain ocular fundus pictures using a smartphone camera and a conventional handheld indirect ophthalmoscopy lens. This technique is indispensable when picture documentation of optic nerve, retina, and retinal vessels is necessary but a fundus camera is not available. The main advantage of this technique is the widespread availability of smartphones that allows documentation of macula and optic nerve changes in many settings that was not previously possible...
July 6, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28709588/postural-disorders-in-mouth-breathing-children-a-systematic-review
#20
REVIEW
Patricia Dayrell Neiva, Renata Noce Kirkwood, Polyana Leite Mendes, Karl Zabjek, Helena Gonçalves Becker, Sunita Mathur
BACKGROUND: Mouth breathing syndrome can cause sleep disturbances that compromise the performance of children in school. It might also cause postural abnormalities involving the head and cervical spine; however, the association between postural abnormalities and mouth breathing in children is unclear. OBJECTIVE: To assess the methodological quality of studies and determine if there is an association between mouth breathing and postural disorders in children. METHODS: Databases comprised MEDLINE, CINAHL, PEDro, LILACS, EMBASE and Cochrane Central Registrar of Controlled Trials...
July 5, 2017: Brazilian Journal of Physical Therapy
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