• Postoperative indocyanine green angiography (ICGA) of the lesion showed hypofluorescence and no leakage or altered morphology during the whole imaging process. (biomedcentral.com)
  • Indocyanine green angiography (ICGA) is useful for the study of occult CNV (OCNV), and particularly in identifying the characteristic patterns of idiopathic polypoidal choroidal vasculopathy (IPCV) and retinal angiomatous proliferation (RAP). (amdbook.org)
  • Indocyanine green angiography (ICGA) was used to re-evaluate eyes for PCV. (bmj.com)
  • 5 , 7 , 8 Why some patients have a poor response to ranibizumab is not well understood, but use of indocyanine green angiography (ICGA) has revealed the presence of polypoidal choroidal vasculopathy (PCV) in several patients with neovascular AMD who did not respond to repeated injections of anti-VEGF agents. (bmj.com)
  • Indocyanine green angiography (ICGA) is an effective tool for identifying hypoperfused areas. (thieme-connect.de)
  • A retinal fluorescein angiography is not a procedure that is completely devoid of risks. (medicalhealthtests.com)
  • Invited Session V: The eye as a window to systemic and neurodegenerative health: Seeking Answers through a keyhole: Harnessing the Synergy of Dynamic OCT/OCT Angiography and Adaptive Optics SLO for Retinal Assessment of Systemic Disease. (stanford.edu)
  • En face OCT reflectance images which accompany OCTA studies offer a glimpse of the macrophage-like cellular activity above the retinal surface which responds to systemically instigated vascular events below. (stanford.edu)
  • As observed on angiography, the numbers of choroidal and retinal blood vessels were significantly increased (principally on the seventh day) after the laser impacts. (molvis.org)
  • It provides user access to and training in the correct use of the SP8 scanning Laser confocal microscope, fluorescence microscopy, brightfield microscopy, slit lamp imaging, full color retinal fundus imaging, fluorescein angiography, and optical coherence tomography (OCT). Visual functional analysis instrumentation includes an ERG viewer and an optokinetics system. (wayne.edu)
  • The exact pathogenic mechanism by which capillary nonperfusion, as demonstrated by fluorescein angiography, occurs is still unclear, but recent experimental animal studies ( 3 - 5 ) demonstrate that increased leukocyte entrapment in retinal capillaries of diabetic rats is an early event associated with areas of capillary nonperfusion and the development of endothelial cell damage. (diabetesjournals.org)
  • Both underwent a complete ophthalmologic examination including visual acuity assessment, optical coherence tomography, intravenous fluorescein angiography, and fundus autofluorescence. (bvsalud.org)
  • Today, SD-OCT and noninvasive fundus autofluorescence imaging can provide additional anatomical information beyond the fluorescein angiography (FA), including visualization of the layers of the retina and choroid involved with the neovascular membrane. (amdbook.org)
  • Because the system is confocal, the scattered light can be rejected by the crystalline lens, as can the fluorescence, allowing for the use of shorter wavelengths in autofluorescence imaging. (aao.org)
  • Corrected total fluorescence and choroidal neovascularization lesion volume were measured after ten days of treatment using fundus fluorescein angiography and optical coherence tomography. (mdnewsline.com)
  • The Optos Wide-Field Camera also can take auto-fluorescence images - helpful in diagnosing conditions such as Central Serous Chorio-retinopathy and Polypoidal Choroidal Vasculopathy. (metwesteyecentre.com.au)
  • Fluorescein angiography of a typical choroidal nevus reveals hypofluorescence of the pigmented portion of the lesion in the vascular filling phases ( Fig. 26-5 ). (entokey.com)
  • Drusen on the surface of a choroidal nevus usually show hyperfluorescence throughout the angiogram sequence as a result of transmission of fluorescence from the choroid. (entokey.com)
  • Fluorescein is a fluorophore commonly used in microscopy, in a type of dye laser as the gain medium, in forensics and serology to detect latent blood stains, and in dye tracing. (wikipedia.org)
  • To observe the accumulation of conjugate, 3 rabbits with CNV received rhodamine B isothiocyanate-binding PVA (RITC-PVA), and the lesion was studied 24 hours later by fluorescein microscopy. (arvojournals.org)
  • In the 1st phase, mineral as well as substance analyses were executed, for example petrographic analysis by simply slim area (Teaspoon), X-ray diffraction (XRD), driven aggregate (Aw of attraction), scanning electron microscopy (SEM HIV phylogenetics ) as well as X-ray fluorescence (XRF). (gp120-inhibitors.com)
  • According to the news release, the team of researchers used the OcuMet Beacon-a fundus camera with special filters that specifically isolates the fluorescence, developed by OcuSciences Inc.-to analyze 86 eyes. (ophthalmologytimes.com)
  • Fluorescein sodium, the sodium salt of fluorescein, is used extensively as a diagnostic tool in the field of ophthalmology and optometry, where topical fluorescein is used in the diagnosis of corneal abrasions, corneal ulcers and herpetic corneal infections. (wikipedia.org)
  • It is available as sterile single-use sachets containing lint-free paper applicators soaked in fluorescein sodium solution. (wikipedia.org)
  • The dye called sodium fluorescein is a toxic substance that can immediately alter the pH balance in the blood. (medicalhealthtests.com)
  • Fluorescein sodium stain is a hydrophilic dye used to evaluate tear film stability (tear film breakup time), integrity of the corneal epithelium (ulcers), corneal integrity (Seidel test), nasolacrimal duct patency (Jones test), and intraocular angiography. (merckvetmanual.com)
  • The role of nestin was examined using angiography, western blot from the second to the 14th day after laser impacts, and intraocular injection of nestin siRNA. (molvis.org)
  • Oral and intravenous use of fluorescein can cause adverse reactions, including nausea, vomiting, hives, acute hypotension, anaphylaxis and related anaphylactoid reaction, causing cardiac arrest and sudden death due to anaphylactic shock. (wikipedia.org)
  • Yellow-green fluorescence of the active substance allows to delimit the area of ​​vascularization from the surrounding tissue to improve visualization. (omedicine.info)
  • In angiography, the dye is injected and then imaging begins. (aao.org)
  • Clinically, the most commonly performed imaging technique is X-ray angiography using fluoroscopy. (bruker.com)
  • The In-Vivo Xtreme is a highly versatile system that combines X-ray, fluorescence, luminescence and radioisotopic imaging modalities into one extremely sensitive, easy to use and high-throughput system. (bruker.com)
  • Two-Photon-Excited Fluorescence Imaging of Human RPE Cells with a Femtosecond Ti:Sapphire Laser. (vision-research.eu)
  • In vivo experiments demonstrate that these nanocapsules can target to tumor sites through fluorescence/magnetic resonance imaging and offer remarkable therapeutic results. (nature.com)
  • It is intended for viewing the posterior segment of the eye, including: two and three dimensional imaging, cross sectional imaging, fundus photography, and fluorescence imaging. (beye.com)
  • The color of its aqueous solutions is green by reflection and orange by transmission (its spectral properties are dependent on pH of the solution), as can be noticed in bubble levels, for example, in which fluorescein is added as a colorant to the alcohol filling the tube in order to increase the visibility of the air bubble contained within. (wikipedia.org)
  • Optimizing Indocyanine Green Fluorescence Angiography in Reconstructive Flap Surgery: A Systematic Review and Ex Vivo Experiments. (thieme-connect.de)
  • Is a protein composed of 238 amino acid residues (26.9 kDa) that exhibits bright green fluorescence when exposed to light in the blue to ultraviolet range. (roland-consult.com)
  • An alternative to techniques that rely on radiation is fluorescence-guided procedures. (bruker.com)
  • Fluorescence is intense under cobalt blue (450-500 nm) or ultraviolet light. (merckvetmanual.com)
  • In oligonucleotide synthesis, several phosphoramidite reagents containing protected fluorescein, e.g. 6-FAM phosphoramidite 2, are used for the preparation of fluorescein-labeled oligonucleotides. (wikipedia.org)
  • The extent to which fluorescein dilaurate is broken down to yield lauric acid can be detected as a measure of pancreatic esterase activity. (wikipedia.org)
  • Rosen noted in the release that previous studies have demonstrated that when the mitochondrial oxidative stress is relieved by medication or surgery, the flavoprotein fluorescence levels go down. (ophthalmologytimes.com)
  • If the excitation laser and the barrier filter are put into place, no fluorescein dye is used, and the gain is turned up, an autofluorescent image of the fundus can be obtained. (aao.org)
  • Module Angiography - The Angiography Module runs with a blue laser source (488 nm). (roland-consult.com)
  • At the beginning of an injection the laser source automatically switch to Angiography mode and a video will be recorded with an exact timestamp on every image. (roland-consult.com)
  • Fluorescein angiography was performed to detect the area with CNV, and the evaluation was made by computerized measurement of digital images. (arvojournals.org)
  • In addition, the more recent introduction of OCT angiography (OCTA) and the increasing experience in interpreting OCT images has reduced even further the need for FA and its associated side effects. (amdbook.org)
  • The team found that PhB provided the greatest fluorescence and qualitative analysis of PhB-containing foams showed that 0.5% PhB yielded the highest fluorescence intensity. (bruker.com)
  • In the first place, if there is some kind of fluorescence from the eye without the dye being injected, it is the sign of some kind of serious problem. (medicalhealthtests.com)
  • Upon exhaustive irradiation with visible light fluorescein decomposes to release phthalic and formic acids and carbon monoxide, effectively acting as a photoCORM. (wikipedia.org)
  • Examples are: fluorescein isothiocyanate 1, often abbreviated as FITC, features an isothiocyanate group (−N=C=S) substituent. (wikipedia.org)