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Optical Coherence Tomography, OCT News
Inexpensive, Portable System Expands OCT's Reach in the Body
DURHAM, N.C., Nov. 15, 2019 — Researchers from Duke University have developed a way to use optical coherence tomography (OCT) in hard-to-reach areas of the body such as joints. The method may allow the technique to see use in further surgical and medical applications. The researchers used a rigid borescope, essentially a thin tube of lenses, to deliver the infrared light necessary to perform OCT. Measuring just 4 mm in diameter, the borescope makes the beam delivery portion of the device very slim without sacrificing...
The Eyes Behind Surgical Robots
Oct 22, 2019 — The first robotic surgery took place in 1985 when the PUMA 560 was used in a stereotaxic operation in which computed tomography (or x-ray) was used intraoperatively to guide a robot as it inserted a needle into the brain for biopsy. In the late...
AI, Deep Learning Allow More Accurate Eye Testing with OCT
BRISBANE, Australia, Oct. 4, 2019 — Researchers at Queensland University of Technology (QUT) in Australia are now able to analyze OCT images of the eye closer and more accurately than ever before. OCT is commonly used by optometrists and ophthalmologists to obtain cross-sectional...
On-Chip Tunable Photonic Delay Line Could Help Miniaturize OCT Devices
NEW YORK, Sept. 23, 2019 — Scientists at Columbia University have developed an on-chip, tunable photonic delay line to miniaturize imaging technology. Using their on-chip technology to map the back of the eye, the researchers produced high-contrast OCT images and extended the...
Optics Peers Through the Haze of Dementia
Sep 16, 2019 — As the number of people suffering from Alzheimer’s disease (AD) and related dementias grows, so too does the pressure on the medical community to identify dementias as early as possible and potentially treat them. Researchers on both sides of...
Nano-Optic Endoscope Gets Clearer View of Organs
Sep 10, 2019 — The emergence of innovative imaging techniques has enabled several medical applications in detection, diagnosis, and monitoring of diseases. However, there still exists a gap in the imaging of internal organs where tissues are not readily...
Computational Imaging Tools Improve Lateral OCT Resolution
DURHAM, N.C., Aug. 30, 2019 — A new technique called optical coherence refraction tomography (OCRT) is able to increase the resolution of OCT down to a single micrometer in all directions, even in a living patient.
VIS-OCT Opens Eyes to New Approaches
Aug 14, 2019 — First reported in 1991 by Huang and colleagues, OCT has become an important imaging tool for ophthalmology following innovations over the past three decades. OCT noninvasively provides 3D in vivo optical biopsy with microscopic resolution in the eye...
Medical Lasers Find Their Niche
Apr 28, 2019 — Because lasers can offer less-invasive procedures for both diagnosis and treatment, their role in the medical field is on the rise. Lasers can be modulated in wavelength, power, density, and energy, and they have a wide range of applications in...
Melanoma Blood Vessel Changes Detected with OCT Imaging
BERLIN, March 25, 2019 — An international team of researchers has proven that dynamic optical coherence tomography (D-OCT) imaging of melanoma reveals changes to the blood vessels that correlate with the depth of its invasion, which could lead to a faster method of rapidly...
Finger-Mounted Optical Probe Improves Breast Cancer Removal
WASHINGTON, D.C., March 21, 2019 — Researchers have developed a wearable probe that enhances the sense of touch by imaging and quantifying the stiffness and elasticity of biological tissue in order to improve the surgical removal of breast cancer.
Medical Lasers Find Biophotonics Niche
Jan 28, 2019 — Because lasers can offer less-invasive procedures for both diagnosis and treatment, their role in the medical field is on the rise. Lasers can be modulated in wavelength, power, density, and energy, and they have a wide range of applications in...
AO-OCT Comes into Focus
Jan 17, 2019 — Adaptive optics (AO) technology is often used to correct for wavefront distortions imparted when light travels through complex optical systems, enhancing image resolution and facilitating diffraction-limited optics. It has played a particularly...
Research, Innovation Lead SPIE BiOS 2019
Dec 18, 2018 — SPIE’s BiOS conference and exhibition is renowned worldwide as one of the most important events in the biophotonics industry. It brings together researchers, professors, students, companies, and other industry experts for a weekend of...
NIR Spectroscopy Enables Accurate Evaluation of Osteoarthritis
KUOPIO, Finland, Oct. 22, 2018 — An arthroscopic NIR spectroscopic probe, developed at the University of Eastern Finland, could be used to quantitatively assess the health of joint tissues, improving physicians’ ability to detect initial signs of post-traumatic osteoarthritis...
OCT Tool Explores How Sound Moves Through the Ear
BOSTON, Mass., Oct. 18, 2018 — A vibrational imaging tool based on optical coherence tomography (OCT) is providing new insight into how the ear receives and processes sound waves. Called OCT vibrography, the tool was built by a team at the Wellman Center for Photomedicine at...
OCT Promising as Clear Point-of-Care Solution
Aug 13, 2018 — Medical devices at the point of care allow clinicians to do what they do best: determine a patient’s exact condition and a course of treatment. These technologies work best when they fit seamlessly into the provider-patient workflow without a...
Avinger Begins Study on OCT, IVUS for Treating PAD
REDWOOD CITY, Calif., Aug. 6, 2018 — Medical device developer Avinger Inc. has begun a study comparing optical coherence tomography (OCT) with intravascular ultrasound (IVUS) as imaging tools for diagnosing and treating peripheral artery disease (PAD). Avinger designs and develops...
FDA Clears Optovue Blood Vessel Measurement Technology
FREMONT, Calif., July 17, 2018 — Optovue Inc. has received FDA 510(k) clearance of AngioAnalytics, an optical coherence tomography angiography (OCTA) blood vessel measurement technology, to help clinicians manage diseases that cause progressive blindness. The company also received...
Tiny Fiber Optic Probe Senses Body Temps, Performs OCT Imaging
ADELAIDE, Australia, April 16, 2018 — A miniaturized fiber optic probe has been invented that can simultaneously measure body temperature and take images deep inside the body. The single-fiber-based image and sensing probe uses an OCT lens fabricated at the distal end of a double-clad...
Swept-Source OCT Platform Targets Enhanced Ophthalmic Imaging
KONGENS LYNGBY, Denmark, April 11, 2018 — OCTLIGHT ApS— a spinoff company from the Technical University of Denmark (DTU) — has completed the product development phase of a new swept-source technology platform that could enhance ophthalmic OCT capabilities, particularly for...
Vying for Dominance: Swept-Source vs. Spectral-Domain OCT
Mar 12, 2018 — Optical coherence tomography (OCT) is among the most widely used in vivo optical diagnostic techniques. This high-resolution 3D imaging modality, with market size approaching $1 billion, has established itself as an indispensable tool for...
Shining a Light on Skin Cancer
Jan 18, 2018 — A consortium of European scientists has developed what they’re calling the world’s first skin cancer scanner: a device — called VivoSight — that is capable of detecting blood vessels grown by malignant melanoma. According to...
Prism Awards Honor Industry’s Top Innovators
Jan 16, 2018 — What do the world’s smallest FTIR spectrometer and a smartphone add-on sensor for noncontact bioimaging have in common? The 2018 Prism Awards for Photonics Innovation. These products are among 30 finalists for the awards that recognize the...
The Most Wonderful Time of the Year (Video)
Jan 9, 2018 — Three conferences and two exhibitions make SPIE Photonics West the world’s largest annual event in the industry. From plenary presentations to networking opportunities, this show offers an expansive, comprehensive look at the photonics...
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May/Jun 2024
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