• Optical coherence tomography angiography (OCT A) is an emerging technology to image the vascular system of the eye. (hindawi.com)
  • Recently, optical coherence tomography angiography (OCTA) has been introduced as a novel depth-resolved non- invasive technique of retinal vascular imaging. (frontiersin.org)
  • All patients underwent standard ophthalmological examination including standard automatic perimetry according to the 24-2 program, optical coherence tomography angiography (OCT-A) of the macular area and optic disc. (physiciansweekly.com)
  • This Section defines an Information Object to be used with Intravascular Optical Coherence Tomography imaging devices. (nema.org)
  • The Intravascular Optical Coherence Tomography Image IOD specifies a multi-frame image acquired on an Intravascular Optical Coherence Tomography modality. (nema.org)
  • The Intravascular Optical Coherence Tomography Image IOD is used in two SOP Classes as defined in PS3.4 Storage Service Class, a SOP Class for storage of images intended for presentation, and a SOP Class for storage of images intended for further processing before presentation. (nema.org)
  • The state-of-the-art approach to imaging blood vessels is intravascular optical coherence tomography (IVOCT). (aaai.org)
  • S. Makita, T. Fabritius and Y. Yasuno, "Quantitative Retinal-Blood Flow Measurement with Three-Dimen- sional Vessel Geometry Determination Using Ultrahigh- Resolution Doppler Optical Coherence Angiography," Optics Letters, Vol. 33, No. 8, 2008, pp. 836-838. (scirp.org)
  • Optical coherence tomography and fluorescein angiography (FA) were performed before treatment and at subsequent follow-up examinations in all eyes. (qxmd.com)
  • Optical coherence tomography appears to be useful in monitoring the retinal changes that occur following PDT of CNV and may assist in understanding the changes observed on angiography. (qxmd.com)
  • Important aspects of workup regarding diabetic retinopathy include fasting glucose and hemoglobin A1c, fluorescein angiography, optical coherence tomography, and B-scan ultrasonography. (medscape.com)
  • The living retina may be imaged using fluorescein angiography, polarimetry, or optical coherence tomography. (medscape.com)
  • We recently introduced visible-light optical coherence tomography fibergraphy (vis-OCTF), a technique for directly visualizing and analyzing mouse RGC axon bundles in vivo . (jneurosci.org)
  • We demonstrated visible-light optical coherence tomography fibergraphy (vis-OCTF) to directly quantify global and regional RGC axon bundle organizations in vivo as a new biomarker for RGC health. (jneurosci.org)
  • Water wavenumber calibration for visible light optical coherence tomography. (escholarship.org)
  • Visible light optical coherence tomography (OCT) is emerging for spectroscopic and ultrahigh resolution imaging, but challenges remain. (escholarship.org)
  • In 1998, Schmitt first proposed optical coherence elastography (OCE), in employing optical coherence tomography (OCT) detect depth-resolved sample deformation induced by quasi-static compression. (wikipedia.org)
  • dblp: Choroid segmentation from Optical Coherence Tomography with graph-edge weights learned from deep convolutional neural networks. (uni-trier.de)
  • Aim To evaluate spectral domain optical coherence tomography (SD-OCT) changes in central retina and choroid in patients with sickle cell disease (SCD). (bmj.com)
  • In this case report, we describe the occurrence of multiple RPE tears with the use of intravitreal bevacizumab and also correlate the preservation of visual acuity with features seen on spectral domain optical coherence tomography. (ijo.in)
  • To examine if racial differences in Bruch's membrane opening-minimum rim width (BMO-MRW) in spectral domain optical coherence tomography (SDOCT) exist, specifically between people of African descent (AD) and European descent (ED) in normal ocular health. (cdc.gov)
  • However, these preliminary BMO-MRW studies that generated normative databases have generally been performed in populations of European descent (ED). As the BMO-MRW parameter becomes more widely implemented in spectral-domain optical coherence tomography (SDOCT) through automated algorithms, it becomes necessary to understand how this parameter is affected by race. (cdc.gov)
  • Giving a new physical interpretation to the principle of longitudinal coherence control, we propose an improved method for synthesizing a desired spatial coherence function along the longitudinal axis of light propagation. (spie.org)
  • Volume intensity projections generate en-face images (similar to the fundus images taken of the retina) that enable accurate cross-sectional image registration. (medgadget.com)
  • Optical coherence tomography (OCT) of the affected members showed the central loss of outer retina structure. (molvis.org)
  • Optical Coherence Tomography uses light waves to take cross-section images of your retina, which is the area of light-sensitive cells at the back of your eye that is responsible for receiving light and transmitting it into messages that are sent up to the brain. (tribecaeyeandhealth.com)
  • Optical coherence tomography (OCT) uses light to generate a cross-sectional image of the retina. (medscape.com)
  • The optical elements within the eye focus an image onto the retina of the eye, initiating a series of chemical and electrical events within the retina. (medscape.com)
  • Optical coherence elastography (OCE) is an emerging imaging technique used in biomedical imaging to form pictures of biological tissue in micron and submicron level and maps the biomechanical property of tissue. (wikipedia.org)
  • Optical techniques have also been proposed for elastography to probe mechanical properties of tissues dates back to at least the 1950s. (wikipedia.org)
  • But the term optical coherence elastography was first coined in a 2004 paper with Brett Bouma. (wikipedia.org)
  • In vivo three-dimensional optical coherence elastography", Opt Exp. (photonics.pl)
  • Although optical coherence tomography (OCT) provide crucial information for the diagnosis, they often are insufficient for early diagnosis, before structural changes occur. (wikipedia.org)
  • However, since the introduction of optical coherence tomography (OCT) in 1991, it has become an invaluable tool in the diagnosis and management of different retinal disorders including ME. (bmj.com)
  • The coherence parameters of the SXR radiation allowed for the OCT measurements of a bulk multilayer structure with 10 nm period and 40% bottom layer thickness to period ratio, with an axial resolution of about 2 nm and detect multilayer interfaces up to a depth of about 100 nm. (nature.com)
  • In the paper, detailed information about the source, its optimization, the optical system, OCT measurements and the results are presented and discussed. (nature.com)
  • Association between Optical Coherence Tomography Measurements and Clinical Parameters in Idiopathic Intracranial Hypertension. (bvsalud.org)
  • To correlate optical coherence tomography (OCT) measurements with clinical parameters in idiopathic intracranial hypertension (IIH). (bvsalud.org)
  • Optical coherence tomography (OCT), a technology often described as combining the principles of ultrasound with the imaging performance of a microscope, is thought to be particularly useful for future diagnostic devices for ophthalmology. (medgadget.com)
  • Optical coherence tomography (OCT) is non-invasive, subsurface imaging modality that is well-suited to visualizing pathological changes in tissue structure. (embs.org)
  • Optical coherence tomography", Science 254, 1178 (1991). (photonics.pl)
  • Optical coherence microscopy (OCM) is relatively new, noninvasive method of biomedical imaging. (photonics.pl)
  • High-resolution optical coherence microscopy for high-speed, in vivo cellular imaging", Opt. (photonics.pl)
  • Optical super-resolution microscopy of molecular mechanisms of disease. (lu.se)
  • The retinal disease screening study: prospective comparison of nonmydriatic fundus photography and optical coherence tomography for detection of retinal irregularities. (cns.org)
  • M. Nasiri-Avanaki, A. Meadway, A. Bradu, R. Khoshki, A. Hojjatoleslami and A. Podoleanu, "Anti-Spoof Reliable Biometry of Fingerprints Using En-Face Optical Coherence Tomography," Optics and Photonics Journal , Vol. 1 No. 3, 2011, pp. 91-96. (scirp.org)
  • S. K. Dubey, D. S. Mehta, A. Anand and C. Shakher, "Simultaneous Topography and Tomography of Latent Fingerprints Using Full-Field Swept-Source Optical Coherence Tomography," Journal of Optics A: Pure and Applied Optics, Vol. 10, No. 1, 2008, Article ID: 015307. (scirp.org)
  • Photothermal detection of gold nanoparticles using phase-sensitive optical coherence tomography", Optics Exp. (photonics.pl)
  • To report the frequency and severity of optical coherence tomography (OCT) retinal thickness measurement errors and to describe parameters that predict these errors. (nih.gov)
  • Bioptigen (now part of Leica Microsystems ) Optical Coherence Tomography (OCT) systems provide ophthalmologists with a gentle, contact-free solution to quickly create real-time, high-definition 3D images of eye tissue that is easy on patients and captures the right data the first time, every time. (porticos.net)
  • R. K. Manapuram, M. Ghosn and K. V. Larin, "Identification of Artificial Fingerprints Using Optical Coherence Tomography Technique," Asian Journal of Physics, Vol. 15, 2006, pp. 15-27. (scirp.org)
  • Optical Coherence Tomography (OCT) is an imaging technique that provides high resolution, non-destructive, in situ, real-time reflectivity profiling of non-absorptive samples. (teracomm.com)
  • OCT is an optical interferometry technique for acquiring cross-sectional images of tissue and other scattering materials with micrometer resolution. (ntt-review.jp)
  • By controlling the irradiance of an extended quasi-monochromatic spatially incoherent source with a spatial light modulator, we generated a special optical field that exhibits high coherence selectively for the particular pair of points at the specified locations along the axis of beam propagation. (spie.org)
  • A. Schaefer, J. Reynolds, D. Marks and S. Boppart, "Real-Time Digital Signal Processing-Based Optical Coherence Tomography and Doppler Optical Coherence Tomography," IEEE Transactions on Biomedical Engi- neering, Vol. 51, No. 1, 2004, pp. 186-190. (scirp.org)
  • Optical coherence tomography (OCT) is a relatively new imaging technology which can produce high resolution images of three-dimensional structures. (scirp.org)
  • Classification results across frames displayed in en face view matched closely to annotated counterparts. (supercomputing.org)
  • Optical coherence tomography (OCT) captures cross-sectional data and is used for the screening, monitoring, and treatment planning of retinal diseases. (arxiv.org)
  • Optical coherence tomography (OCT) using a swept light source can acquire cross-sectional images of tissue with micrometer resolution for biomedical applications. (ntt-review.jp)
  • We present a two-dimensional optical coherence vibration tomography (2DOCVT) system with an ultra-precision displacement resolution of ~0.1 nm that is capable of in site real-time absolute displacement measurement of structural line vibrations. (strath.ac.uk)
  • two-dimensional optical coherence tomography, absolute displacement measurement, response only modal analysis, Naval architecture. (strath.ac.uk)
  • Optical coherence tomography - principles and applications", Reports on Progress in Physics 66, 239 (2003). (photonics.pl)
  • Additionally, the tissue structures of the cornea, conjunctiva, and sclera can also be clearly visualized with a mere change in focal position and no change in optical irradiance. (medgadget.com)
  • The probe uses an all-fiber optical design, in which a small lens (125 microns diameter) is fabricated on the distal end of an optical fiber to emit a weakly-focused, near-infrared light beam, and detect the light back-scattered from the tissue. (embs.org)
  • In this study, we used optical coherence tomography (OCT) to extensively investigate, for the first time, the effect that microneedle (MN) geometry (MN height, and MN interspacing) and force of application have upon penetration characteristics of soluble poly(methylvinylether-co-maleic anhydride, PMVE/MA) MN arrays into neonatal porcine skin in vitro. (unboundmedicine.com)
  • TY - JOUR T1 - Optical coherence tomography is a valuable tool in the study of the effects of microneedle geometry on skin penetration characteristics and in-skin dissolution. (unboundmedicine.com)
  • Optical coherence tomography study of healing characteristics of paclitaxel-eluting balloons vs. everolimus-eluting stents for in-stent restenosis: the SEDUCE (Safety and Efficacy of a Drug elUting balloon in Coronary artery rEstenosis) randomised clinical trial. (umassmed.edu)
  • We present optical coherence tomography (OCT) with 2 nm axial resolution using broadband soft X-ray radiation (SXR) from a compact laser plasma light source. (nature.com)
  • Optical coherence tomography (OCT) is a non-contact, diagnostic method that uses infrared light, which allows the analysis of the retinal structure by means of high-resolution tomographic cross sections. (bmj.com)
  • In the current study, researchers found that using a new, non-invasive skin imaging technology called line-field confocal optical coherence tomography (LC-OCT), which gives detailed 3D images at cellular level, significantly increased diagnostic accuracy. (hospitalhealthcare.com)
  • Enhanced depth imaging optical coherence tomography of optic nerve head drusen. (cns.org)
  • Optical coherence tomography (OCT) has attracted attention because of its potential use as a medical imaging technology [1]. (ntt-review.jp)
  • Optical Coherence Tomography is a non-invasive imaging test that may be performed as a standard part of your regular, comprehensive exams, or you may be able to request this test as an addition to your usual exam. (tribecaeyeandhealth.com)
  • In the current work we demonstrate mode-locked fiber laser with automatic adjustment a coherence degree of the output pulses. (spiedigitallibrary.org)
  • A. Y. Kokhanovskiy , A. V. Ivanenko , S. K. Kobtsev , and S. K. Turitsyn "Coherence automatic adjustment of the optical pulses inside mode-lock fiber laser cavity", Proc. (spiedigitallibrary.org)
  • The cavity consists of a 1.3-μm semiconductor optical amplifier (SOA) module, a collimator, a KTN deflector with electrodes, a cylindrical concave lens, a grating, and a high reflector (HR). The SOA module has a 10% reflector coupled to an optical fiber through an optical isolator on one side. (ntt-review.jp)
  • Optical coherence tomography: a review of clinical development from bench to bedside", J Biomed Opt 12, 051403 (2007). (photonics.pl)
  • citation needed] OCE is characterized by its niche in intermediate spatial resolution (10s-100s μm) and degree of depth penetration and, by exploiting optical interferometry, its high sensitivity to small mechanical changes-at the microstrain level. (wikipedia.org)
  • Such configuration provides various pulsed regimes that have different degree of coherence from fully mode-locked single scale pulses to partly mode-locked double scale pulses. (spiedigitallibrary.org)
  • P. Wnuk, Y. Stepanenko, and C. Radzewicz, "High gain broadband amplification of ultraviolet pulses in optical parametric chirped pulse amplifier", Opt Exp. (photonics.pl)
  • Remove/replace the probe from the central unit (hardwired in current system), which requires adding an optical connection without losing optical performance. (porticos.net)
  • In the end, a modular design (separate computing, optical, probe, and cart modules) met all the needs and resulted in a product with more functionality, practicality, and appeal. (porticos.net)
  • Two En-Face OCT systems are used to evaluate the need for high resolution and conclusions are drawn in terms of the most potential commercial route to ex- ploitation. (scirp.org)
  • Our goal was to evaluate the feasibility and potential role of bedside optical coherence tomography (OCT) in Terson's Syndrome (TS) in patients with acute subarachnoid hemorrhage (aSAH) and its potential role in blindness prevention. (cns.org)
  • This piece of equipment is called 3D Optical Coherence Tomography system (3D OCT). (selectspecs.com)
  • Visual system function and structure were assessed for 8 weeks after exposure using optokinetic nystagmus and optical coherence tomography. (cdc.gov)
  • M. Wojtkowski, "High-speed optical coherence tomography: basics and applications", Appl Opt 49, D30 (2010). (photonics.pl)
  • Bedside Optical Coherence Tomography for Terson's Syndrome screening in Acute Subarachnoid Hemorrhage: A pilot study. (cns.org)
  • Optical coherence tomography (OCT) allows one to image an internal structure of the investigated sample in a noninvasive and nondestructive way 1 . (nature.com)