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Optical Coherence Tomography, OCT News
Photoacoustic Remote Sensing Reveals Clues About Cancer, Blindness
Jan 6, 2022 — As microscopic optical inspection techniques have progressed over the years, they have provided valuable insights into the composition, structure, and function of cells and subcellular structures, transforming the way researchers and clinicians look at human tissues. Today, thanks to the refinement of photoacoustic microscopy, clinicians and researchers can visually assess cellular-level structures and functional information to better understand cancer and inspect the inner workings of living...
Dual-Axis OCT Gets Under Skin
DURHAM, N.C., Dec. 14, 2021 — Optical coherence tomography (OCT), long considered the gold standard for imaging and diagnosing diseases of the eye, could be used to identify and evaluate conditions deep beneath the skin. A team led by Duke University’s Adam Wax has...
Laser Ophthalmoscopy Provides Full Picture of Eye Disease
TOKYO, Nov. 9, 2021 — For retinal diseases such as diabetic retinopathy (DR), which affect a wide area of the fundus, the interior surface at the back of the eye, it is important for clinicians to be able to examine a broad area of the eye in a single shot. A research...
The Hyperspectral Camera Looks Alzheimer’s in the Eyes
Nov 8, 2021 — Alzheimer’s disease is one of three so-called trillion-dollar diseases, along with cancer and diabetes — meaning that financial and societal costs are approaching $1 trillion worldwide. Diagnosis has historically been a complex task, requiring...
The
BioPhotonics
Conference
Sep 30, 2021 — Photonics Media will host the first-ever BioPhotonics Conference online Oct. 26-28. Experts in microscopy, spectroscopy, OCT, flow cytometry, and medical lasers will present on topics such as the detection of cancer and viruses, the analysis of...
Imaging System Enables Early Detection of Bowel Cancer
KONGENS LYNGBY, Denmark, Aug. 26, 2021 — An international research team called PROSCOPE has developed a multimodal optical imaging system capable of detecting bowel cancer at an early stage. The system, which is designed to be fitted to an endoscope, can give clinicians the ability to zoom...
Deep Learning-Trained Neural Network Reconstructs OCT Images
LOS ANGELES, Aug. 12, 2021 — A team of UCLA and University of Houston (UH) scientists, led by Aydogan Ozcan in collaboration with Kirill Larin, used deep learning to train a neural network to rapidly reconstruct OCT images using undersampled spectral data. Although the...
Barton Elected into SPIE Presidential Chain
BELLINGHAM, Wash., Aug. 3, 2021 — Jennifer Kehlet Barton, the Thomas R. Brown Distinguished Professor of Biomedical Engineering, professor of optical sciences, and director of the BIO5 Institute at the University of Arizona, was elected to serve as the 2022 vice president of SPIE....
OCT Presents Multidimensional Imaging for Diagnosis and Detection
Jun 10, 2021 — Optical coherence tomography (OCT) is a noninvasive imaging technique that is used to deliver high-resolution images in two or three dimensions. It relies on the wave-like properties of light to produce a low- coherence interference spectrum. In...
Hyperspectral Imaging, OCT Team to Detect Early Biomarkers of Alzheimer’s Disease
LEUVEN, Belgium, June 2, 2021 — A team of scientists and engineers from Katholieke Universiteit (KU) Leuven, Universitair Ziekenhuis (UZ) Leuven, and the research organization VITO, collaborating with the international research and development group imec, used imec’s...
AI-driven Method Developed to Diagnose Neurodegenerative Diseases
DURHAM, N.C., May 28, 2021 — A combination of OCT, adaptive optics, and neural networks has the potential to enable better diagnosis and monitoring for eye and brain diseases, such as glaucoma, that damage neurons. The combination is part of an AI-drive process developed by...
VIS-OCT needs stable, versatile light sources
Nov 19, 2020 — Optical coherence tomography (OCT) is the gold standard for noninvasive retinal imaging, enabling ophthalmologists to diagnose and treat multiple ocular diseases. Compared to traditional OCT, which uses near-infrared (NIR) wavelengths of light,...
Virtual Event to Explore Optical Technology in Medicine, Industry, Research
Oct 27, 2020 — The first Photonics Spectra Conference is set for Jan. 19-22, featuring webinars in four tracks: Lasers, Optics, Spectroscopy, and Biomedical Imaging. The Biomedical Imaging track is a day-long program that will highlight the latest in components,...
Veterinarians Use OCT to Evaluate Eye Health, Cancer Margins, and Joint Strength
Oct 23, 2020 — Medical doctors have long understood the value of optical coherence tomography (OCT) for monitoring human health. Veterinarians are learning that the technology can be just as vital in evaluating the well-being of patients in the animal kingdom....
Microscopy, AI Capture Immune Cell Interactions in Eye
ROCHESTER, N.Y., Oct. 13, 2020 — A novel microscopy technique that expands on existing principles of adaptive optics — first developed to capture images of the sky without distortions from Earth’s atmosphere — has enabled University of Rochester researchers to...
Angiographic OCT Images Forewarn of Disorders Caused by Maternal Drug Use
Oct 8, 2020 — No amount of alcohol is considered safe during pregnancy, according to published research1. Despite this message being the subject of constant public service warnings, in a recent study, 20% to 30% of women in the U.S. reported drinking during...
OCT Informs Real-Time Cancer Diagnosis
Oct 8, 2020 — The origins of optical coherence tomography (OCT), a subsurface imaging technology based on low- coherence interferometry, can be traced to the first decade of the 1800s, when Thomas Young’s double-slit interference experiment showed that light...
OCT Offers High Speed, Strong Resolution in Retinal Imaging
SEATTLE, Sept. 14, 2020 — Researchers at the University of Washington have modified the standard process of OCT (optical coherence tomography) to detect minute changes in response to light in individual photoreceptors in the living eye. The technique has potential in the...
OCT-Based Technique Captures Details of Photoreceptor Function
DAVIS, Calif., Aug. 21, 2020 — Researchers from the University of California, Davis (UC Davis) have developed an instrument that has measured tiny, light-evoked deformations in individual rods and cones in a living human eye. The approach may one day improve detection of macular...
4D OCT Helps to Solve Mystery of Early Embryonic Heartbeat
HOBOKEN, N.J., Aug. 12, 2020 — Scientists from Stevens Institute of Technology and Baylor College of Medicine used 4D optical coherence tomography (OCT) to study the pumping mechanism underlying the developing mammalian heart. 4D OCT allowed them to investigate the functional...
OCT Captures Optical Sections that Match Corneal Curvature
WASHINGTON, D.C., July 27, 2020 — A team from Paris’ Langevin Institute, a joint unit consisting of researchers from the City of Paris Industrial Physics and Chemistry Higher Educational Institution (ESPCI) and the Centre National de la Recherche Scientifique (CNRS), have...
Optical Technology Covers Soldiers on Battlefield
IRVINE, Calif., June 26, 2020 — Military personnel have sophisticated technology at their fingertips in combat, and thanks to a federally funded research program, they may soon also have optical technologies ranging from wearable sensors to point-of-care imaging devices to help...
Single-Photon Detectors Could Improve Low-Power OCT Sensitivity
AUCKLAND, New Zealand, June 25, 2020 — A detection technology used in quantum optics also could be used to perform OCT (optical coherence tomography) with lower light power than previously possible, potentially improving the imaging quality available from OCT. “For clinical...
Imaging Technology, Experimentation Converge at SPIE BiOS
Dec 18, 2019 — A host of researchers and industry experts will descend on SPIE BiOS 2020 in February to expound upon — and demonstrate — the ability of optical technologies to analyze, diagnose, and treat a multitude of medical conditions that clinicians grapple...
Machine Learning, OCT Combine to Detect Early-Stage Colon Cancer
ST. LOUIS, Dec. 12, 2019 — Researchers at Washington University in St. Louis are developing a deep learning-based pattern recognition (PR)-OCT system that will automate image processing and provide accurate, computer-aided diagnosis of colorectal cancer potentially in real...
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