*  A Study of the Retinal Vascular Parent Branch-Daughter Branch Relationship Based on an Automatic Vessel Width Measurement...
A Study of the Retinal Vascular Parent Branch-Daughter Branch Relationship Based on an Automatic Vessel Width Measurement ... A Study of the Retinal Vascular Parent Branch-Daughter Branch Relationship Based on an Automatic Vessel Width Measurement ... After the vessel boundaries are determined, the vessel width is determined as the Euclidean distance between the two nodes on ... To study the retinal vascular parent branch-daughter branch relationship on fundus images using an automatic retinal vascular ...
  http://iovs.arvojournals.org/article.aspx?articleid=2352799
*  FOXO1 Plays an Important Role in Enhanced Microvascular Cell Apoptosis and Microvascular Cell Loss in Type 1 and Type 2...
Accelerated death of retinal microvascular cells in human and experimental diabetic retinopathy. J Clin Invest 97: 2883- 2890, ... blood vessel assembly during development (13), muscle wasting (14), and inhibition of adipocyte differentiation (15). ... Diabetes reduces basal retinal insulin receptor signaling: reversal with systemic and local insulin. Diabetes 55: 1148- 1156, ... FOXO1 siRNA reduces retinal microvascular endothelial cell and pericyte apoptosis in ZDF rats. A: The mean number of cleaved ...
  http://diabetes.diabetesjournals.org/content/58/4/917?cited-by=yes&legid=diabetes%3B58%2F4%2F917
*  Retinal vessel occlusion - RNIB - Supporting people with sight loss
There are two types of retinal blood vessels, arteries and veins. Either of these can become blocked and each of them can ... The visual loss caused by retinal vein and artery occlusions is painless. It is usual for only one eye to be involved at a time ... A retinal vessel occlusion is a blockage in the blood vessel of your eye that can result in sight loss. ... Retinal vessel occlusion A retinal vessel occlusion is a blockage in the blood vessel of your eye that can result in sight loss ...
  http://www.rnib.org.uk/eye-health-eye-conditions-z-eye-conditions/retinal-vessel-occlusion
*  Effect of Diabetes Mellitus on Human Retinal Circulation : An Investigation using Blue Field Simulation and Scanning Laser...
... and vessel diameter, determined from fluorescein angiograms, together reflects the retinal circulation. MTT was determined with ... Disorders affecting the retina often include some vasculopathy with an impact on retinal circulation. Studies of retinal ... We concluded that unchanged transit time trough the retinal tissue was not due to a lack of effect of the gas provocation but a ... We concluded that the increase in MTTIR in eyes with PDRP is at least partly explained by vessel dilation, causing an increased ...
  http://uu.diva-portal.org/smash/record.jsf?pid=diva2:172877
*  OSA | Texton-based segmentation of retinal vessels
... the issue of automated analysis of retinal images is gaining more serious attention. We consider the problem of retinal vessel ... Automated segmentation of retinal blood vessels in spectral domain optical coherence tomography scans Matthäus Pilch, Yaroslava ... Automated segmentation of retinal blood vessels and identification of proliferative diabetic retinopathy Herbert F. Jelinek, ... Donald A. Adjeroh, Umasankar Kandaswamy, and J. Vernon Odom, "Texton-based segmentation of retinal vessels," J. Opt. Soc. Am. A ...
  https://www.osapublishing.org/josaa/abstract.cfm?URI=josaa-24-5-1384
*  INABIS '98 - Location of Central Retinal Vessel Trunk Exit and Parapapillary Atrophy
Location of Central Retinal Vessel Trunk Exit and Parapapillary Atrophy Jonas, JB (Dept. Ophthalmology, Friedrich-Alexander ... We determined the position of the central retinal vessel trunk exit on the lamina cribrosa surface and measured the area of ... The longer is the distance to the central retinal vessel trunk exit, the more enlarged is parapapillary atrophy and the smaller ... To evaluate whether the position of the central retinal vessel trunk exit on the lamina cribrosa spatially correlates with the ...
  https://www.mcmaster.ca/inabis98/nemeth/jonas0257/
*  Total Retinal Blood Flow and Retinal Oxygen Saturation in the Major Retinal Vessels of Healthy Participants
... ... Afua Oteng-Amoako (2013). Total Retinal Blood Flow and Retinal Oxygen Saturation in the Major Retinal Vessels of Healthy ... Introduction: Oxygen delivery, or utilization, is a function of retinal blood flow and blood oxygen saturation. The retinal ... retinal blood SO2 in arterioles and venules and investigate the relationship between retinal blood SO2 and total retinal blood ...
  https://uwspace.uwaterloo.ca/handle/10012/7975
*  STUDIES ON DEVELOPING RETINAL VESSELS VII. FLUORIDE-INDUCED VASO-OBLITERATION AND ITS RELATION TO RETINAL MATURITY | British...
STUDIES ON DEVELOPING RETINAL VESSELS VII. FLUORIDE-INDUCED VASO-OBLITERATION AND ITS RELATION TO RETINAL MATURITY ... STUDIES ON DEVELOPING RETINAL VESSELS VII. FLUORIDE-INDUCED VASO-OBLITERATION AND ITS RELATION TO RETINAL MATURITY ...
  http://bjo.bmj.com/content/43/11/681
*  Correlation of low frequency waves in retinal vessel width and arterial blood pressure | IOVS | ARVO Journals
Methods : Retinal vessels were recorded by Dynamic Vessel Analyzer (IMEDOS Systems UG, Jena). Simultaneously, the arterial ... From the retinal vessel diameters, the equivalent values of arterial and venous vessel diameters CRAE and CRVE were calculated ... We investigated the temporal correlation of retinal vessel width and arterial blood pressure in the range of the low frequency ... Purpose : Static and dynamic retinal vessel analysis are promising tools for early risk evaluation of cardiovascular diseases. ...
  http://iovs.arvojournals.org/article.aspx?articleid=2562782
*  Retinal Vessel Calibers Predict Long-term Microvascular Complications in Type 1 Diabetes Mellitus: The Danish Cohort of...
We used semi-automated computer software to analyze vessel diameters on baseline retinal photos. Calibers of all vessels ... Retinal vessel calibers have been associated with the presence of microvascular complications but their long-term predictive ... Retinal Vessel Calibers Predict Long-term Microvascular Complications in Type 1 Diabetes Mellitus: The Danish Cohort of ... We examined retinal vessel calibers as 16-year predictors of diabetic nephropathy, neuropathy and proliferative retinopathy in ...
  http://diabetes.diabetesjournals.org/content/early/2014/06/09/db14-0227
*  OSA | Bidirectional Doppler Fourier-domain optical coherence tomography for measurement of absolute flow velocities in human...
Quantitative retinal-blood flow measurement with three-dimensional vessel geometry determination using ultrahigh-resolution ... Doppler optical coherence tomography allows for the measurement of absolute blood flow values in vivo in human retinal vessels. ... Automatic retinal blood flow calculation using spectral domain optical coherence tomography Hassan Wehbe, Marco Ruggeri, ... Doppler Fourier-domain optical coherence tomography for measurement of absolute flow velocities in human retinal vessels René M ...
  https://www.osapublishing.org/vjbo/abstract.cfm?uri=ol-33-24-2967
*  OSA | Novel non-contact retina camera for the rat and its application to dynamic retinal vessel analysis
We present a novel non-invasive and non-contact system for reflex-free retinal imaging and dynamic retinal vessel analysis in ... M. K. Ikram, J. C. M. Witteman, J. R. Vingerling, M. M. B. Breteler, A. Hofman, and P. T. V. M. de Jong, "Retinal vessel ... M. K. Ikram, J. C. M. Witteman, J. R. Vingerling, M. M. B. Breteler, A. Hofman, and P. T. V. M. de Jong, "Retinal vessel ... M. K. Ikram, J. C. M. Witteman, J. R. Vingerling, M. M. B. Breteler, A. Hofman, and P. T. V. M. de Jong, "Retinal vessel ...
  https://www.osapublishing.org/boe/abstract.cfm?uri=boe-2-11-3094
*  INDIGO @ UIC: Oxygen in Retinal Vessels
My research focuses on assessing oxygen tension in retinal blood vessels from phosphorescence lifetime imaging data. To acquire ... The level of retinal oxygenation is thought to play a significant role in retinal diseases, such as diabetic retinopathy and ... Imaging oxygen tension in the retinal vasculatures will provide information on fundamental mechanisms that implicate hypoxia in ... the development of retinal pathologies. The long-term goal of this project is to broaden knowledge of disease patho-physiology ...
  http://indigo.uic.edu/handle/10027/7469?show=full
*  Machine-Learning-Based Retinal Vessel Segmentation in Spectral-Domain Optical Coherence Tomography Volumes of Mice | IOVS |...
Machine-Learning-Based Retinal Vessel Segmentation in Spectral-Domain Optical Coherence Tomography Volumes of Mice ... Machine-Learning-Based Retinal Vessel Segmentation in Spectral-Domain Optical Coherence Tomography Volumes of Mice ... Having such an automated retinal vessel segmentation approach will greatly enhance the image-analysis possibilities of ... machine-learned combination of imaging SD-OCT information from multiple 3D retinal layers is more effective for retinal vessel ...
  http://iovs.arvojournals.org/article.aspx?articleid=2267398
*  IET Digital Library: Retinal vessel segmentation by improved matched filtering: evaluation on a new high-resolution fundus...
... and propose a novel and accurate method for segmenting retinal vessels. Our goal is to be able to segment blood vessels with ... Automated and accurate segmentation of the retinal blood vessel tree is one of the challenging tasks in the computer-aided ... All recent authors compare their vessel segmentation results to each other using only low-resolution retinal image databases. ... Our performance evaluation shows that the proposed blood vessel segmentation approach is at least comparable with recent state- ...
  http://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2012.0455
*  Fluorescein Angiography and Retinal Vessel Oxygen Saturation in Patients with Proliferative Diabetic Retinopathy. | IOVS | ARVO...
Relative oxygen saturation of retinal vessels was analyzed with the Oxymap. Retinal vessels associated with areas of ... Fluorescein Angiography and Retinal Vessel Oxygen Saturation in Patients with Proliferative Diabetic Retinopathy. ... Fluorescein Angiography and Retinal Vessel Oxygen Saturation in Patients with Proliferative Diabetic Retinopathy. ... Methods: Following a previous study which demonstrated increased oxygen saturation in retinal vessels proportional to the ...
  http://iovs.arvojournals.org/article.aspx?articleid=2333163
*  Automated measurement of retinal blood vessel tortuosity | (2010) | Joshi | Publications | Spie
Automated measurement of retinal blood vessel tortuosity Author(s): Vinayak Joshi; Joseph M. Reinhardt; Michael D. Abramoff ... The three-dimensional retinal vascular pattern is mostly formed congenitally, but is then modified over life, in response to ... We developed a new quantitative metric for vascular tortuosity, based on the vessel's angle of curvature, length of the curved ... Abnormalities in the vascular pattern of the retina are associated with retinal diseases and are also risk factors for systemic ...
  http://spie.org/Publications/Proceedings/Paper/10.1117/12.844641
*  Influence of Flicker Frequency on Flicker-Induced Changes of Retinal Vessel Diameter | IOVS | ARVO Journals
Continuous Retinal Vessel Diameter Measurements: The Future in Retinal Vessel Assessment?. Dynamic Responses in Retinal Vessel ... Because retinal blood flow (RBF) in a main retinal vessel is equal to πD 2 V mean/4, where D is the diameter of the vessel and ... Measurement of retinal vessel D is based on adaptive algorithms that use these specific profiles. Whenever a specific vessel ... A retinal vessel analyzer (RVA; Zeiss, Jena, Germany) was modified to allow for continuous measurement of vessel diameter ...
  http://iovs.arvojournals.org/article.aspx?articleid=2123956
*  Systemic VEGF blockade does not alter retinal vessels u | Open-i
Systemic VEGF blockade does not alter retinal vessels ultrastructure or choriocapillaris fenestration.(A) TEM of a microvessel ... pone-0003554-g003: Systemic VEGF blockade does not alter retinal vessels ultrastructure or choriocapillaris fenestration.(A) ... pone-0003554-g003: Systemic VEGF blockade does not alter retinal vessels ultrastructure or choriocapillaris fenestration.(A) ... Carried out the analysis of retinal function via electroretinograms (Figure 5): ES. Participated in immunohistochemistry, ...
  https://openi.nlm.nih.gov/detailedresult.php?img=PMC2571983_pone.0003554.g003&req=4
*  Neuroretinal Function and Retinal Vessel Changes over One Year Are Altered by Long-Term Blood Glucose Change in Adolescent Type...
Neuroretinal Function and Retinal Vessel Changes over One Year Are Altered by Long-Term Blood Glucose Change in Adolescent Type ... Neuroretinal Function and Retinal Vessel Changes over One Year Are Altered by Long-Term Blood Glucose Change in Adolescent Type ... Neuroretinal Function and Retinal Vessel Changes over One Year Are Altered by Long-Term Blood Glucose Change in Adolescent Type ... we examined retinal vessel calibers. IT change was, marginally, negatively correlated with AC change (P=0.044) in the control ...
  http://iovs.arvojournals.org/article.aspx?articleid=2146349
*  Diagnostic Ability of Retinal Vessel Diameter Measurements in Open-Angle Glaucoma | IOVS | ARVO Journals
Sensitivity of Retinal Nerve Fiber Layer Thickness and Retinal Vessel Diameter Indices at a Specificity ,90% and ,80% ... Sensitivity of Retinal Nerve Fiber Layer Thickness and Retinal Vessel Diameter Indices at a Specificity ,90% and ,80% ... Retinal vessel diameter, retinal nerve fiber layer thickness, and intraocular pressure in Korean patients with normal-tension ... The association between retinal vessel diameter and retinal nerve fiber layer thickness in asymmetric normal tension glaucoma ...
  http://iovs.arvojournals.org/article.aspx?articleid=2476648
*  Angptl2 Knockout Mice Suppress Inflammation In Retinal Vessels Induced By A High-fat Diet | IOVS | ARVO Journals
Yasuhiro Ito, Yuichi Oike, Hidenobu Tanihara; Angptl2 Knockout Mice Suppress Inflammation In Retinal Vessels Induced By A High- ... Angptl2 Knockout Mice Suppress Inflammation In Retinal Vessels Induced By A High-fat Diet ... Angptl2 Knockout Mice Suppress Inflammation In Retinal Vessels Induced By A High-fat Diet ... and a significant decrease of adherent leukocytes in retinal vessels was observed in the Angptl2-deficient mice compared with ...
  http://iovs.arvojournals.org/article.aspx?articleid=2355305
*  OSA | Three-dimensional reconstruction of blood vessels extracted from retinal fundus images
Automated segmentation of retinal blood vessels in spectral domain optical coherence tomography scans Matthäus Pilch, Yaroslava ... We present a 3D reconstruction of retinal blood vessel trees using two views of fundus images. The problem is addressed by ... M. E. Martinez-Perez and A. Espinosa-Romero, "3D Reconstruction of Retinal Blood Vessels From Two Views," in Proceedings of the ... M. E. Martinez-Perez and A. Espinosa-Romero, "3D Reconstruction of Retinal Blood Vessels From Two Views," in Proceedings of the ...
  https://www.osapublishing.org/vjbo/abstract.cfm?uri=oe-20-10-11451
*  Psych News Alert: Retinal Blood Vessels May Be Abnormal in Schizophrenia, Study Finds
For example, "Longitudinal and high-risk studies can determine whether retinal vessel caliber in juveniles predicts risk of ... At age 38, the subjects underwent retinal imaging. The researchers compared the retinal imaging results of 27 individuals who ... The blood vessels in the retina of the eye are abnormal in individuals with schizophrenia, according to the study " ... "Microvascular Abnormality in Schizophrenia as Shown by Retinal Imaging" in the American Journal of Psychiatry. The senior ...
  http://alert.psychnews.org/2013/12/retinal-blood-vessels-may-be-abnormal.html
*  The Ultimate Guide To Daily health Tip - Blog
Intraocular stress is transmitted into the axons of retinal ganglion cells for the optic nerve as mechanical strain, resulting ... is often a remarkably contagious bacterial or viral eye an infection that happens if the blood vessels on the transparent ...
  http://health-news37047.blogolize.com