- published: 27 May 2015
- views: 67952
Optical coherence tomography (OCT) is an established medical imaging technique that uses light to capture micrometer-resolution, three-dimensional images from within optical scattering media (e.g., biological tissue). Optical coherence tomography is based on low-coherence interferometry, typically employing near-infrared light. The use of relatively long wavelength light allows it to penetrate into the scattering medium. Confocal microscopy, another optical technique, typically penetrates less deeply into the sample but with higher resolution.
Depending on the properties of the light source (superluminescent diodes, ultrashort pulsed lasers, and supercontinuum lasers have been employed), optical coherence tomography has achieved sub-micrometer resolution (with very wide-spectrum sources emitting over a ~100 nm wavelength range).
Optical coherence tomography is one of a class of optical tomographic techniques. A relatively recent implementation of optical coherence tomography, frequency-domain optical coherence tomography, provides advantages in signal-to-noise ratio, permitting faster signal acquisition. Commercially available optical coherence tomography systems are employed in diverse applications, including art conservation and diagnostic medicine, notably in ophthalmology and optometry where it can be used to obtain detailed images from within the retina. Recently it has also begun to be used in interventional cardiology to help diagnose coronary artery disease. It has also shown promise in dermatology to improve the diagnostic process.
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Optical coherence tomography (OCT) is used increasingly in optometric practice to identify retinal pathology, to improve referral accuracy and to monitor for progression of disease. It is vital that the optometrist understands the image in front of them and knows how to describe any abnormality to another professional. Brought to you with Heidelberg Engineering Ltd, this video shows a systematic approach to interpreting the OCT, use of terminology and when to refer. We use case examples and explore what happens in the hospital setting.
In our practices we use OCT scanning technology to obtain more detailed information of the ocular structures than has been possible by previous means. The OCT can visualise the deeper layers of the retina, where many disease processes begin, often detecting conditions before a patients vision has been adversely affected. If treatment is started at this stage then visual loss can often minimised. This is especially true in conditions such as Vitreo-Macular Traction (VMT) and Wet Macular Degeneration (AMD). We have another YouTube video showing the injection technique used to treat wet macular degeneration. In addition to being able to visualise the deeper layers of the retina where many types of macular degeneration occur, we can now see the transparent structures of the eye which were pr...
Introduction/tutorial on interpreting macula scans on OCT Visit www.octscans.com for more information on how to interpret OCT scans
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On June 3, 2015, OCT: Abilene held an impromptu open carry near downtown Abilene after business hours. Abilene PD handled the situation in a less than professional manner. However, after calling senior leadership, they admitted that the officers were wrong, apologized, and promised corrective actions and retraining.
A very introductory look at Optical Coherence Tomography (OCT), an imaging technology used in medicine.
In diesem kurzen Video wird gezeigt, wie eine OCT-Untersuch des Auges Schritt für Schritt abläuft: unkompliziert, absolut ohne Schmerzen, ohne Berührung des Auges und ohne den Patienten zu beeinträchtigen. Das ist hochmoderne Augenmedizin auf höchstem technologischem Stand. Der Film ist gedacht, um Patienten die Schritte zu zeigen und ihnen eine sorgenfreie Untersuchung zu ermöglichen. This short video demonstrates an OCT experience: uncomplicated, without pain, without contact and without affecting the patient. This is state of the art eye care on to the highest technological standards. The film is intended to help patients to illustrate the steps of an OCt scan and give them a worry-free eye exam.
Topcon SS OCT Angio, is an OCT Angiography modularity specially for the Topcon Swept OCT, DRI OCT Triton. It is the only system that combines high-quality OCT Angiography with a Swept Source OCT. http://www.topcon-medical.eu/eu/products/471-ss-oct-angio-oct-angiography.html#general http://www.topcon-medical.eu/eu/products/382-dri-oct-triton-swept-source-oct.html
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Optical coherence tomography (OCT) is used increasingly in optometric practice to identify retinal pathology, to improve referral accuracy and to monitor for progression of disease. It is vital that the optometrist understands the image in front of them and knows how to describe any abnormality to another professional. Brought to you with Heidelberg Engineering Ltd, this video shows a systematic approach to interpreting the OCT, use of terminology and when to refer. We use case examples and explore what happens in the hospital setting.
In our practices we use OCT scanning technology to obtain more detailed information of the ocular structures than has been possible by previous means. The OCT can visualise the deeper layers of the retina, where many disease processes begin, often detecting conditions before a patients vision has been adversely affected. If treatment is started at this stage then visual loss can often minimised. This is especially true in conditions such as Vitreo-Macular Traction (VMT) and Wet Macular Degeneration (AMD). We have another YouTube video showing the injection technique used to treat wet macular degeneration. In addition to being able to visualise the deeper layers of the retina where many types of macular degeneration occur, we can now see the transparent structures of the eye which were pr...
Introduction/tutorial on interpreting macula scans on OCT Visit www.octscans.com for more information on how to interpret OCT scans
How to read printout of Cirrus OCT and Optovue OCT glaucoma report?
On June 3, 2015, OCT: Abilene held an impromptu open carry near downtown Abilene after business hours. Abilene PD handled the situation in a less than professional manner. However, after calling senior leadership, they admitted that the officers were wrong, apologized, and promised corrective actions and retraining.
A very introductory look at Optical Coherence Tomography (OCT), an imaging technology used in medicine.
In diesem kurzen Video wird gezeigt, wie eine OCT-Untersuch des Auges Schritt für Schritt abläuft: unkompliziert, absolut ohne Schmerzen, ohne Berührung des Auges und ohne den Patienten zu beeinträchtigen. Das ist hochmoderne Augenmedizin auf höchstem technologischem Stand. Der Film ist gedacht, um Patienten die Schritte zu zeigen und ihnen eine sorgenfreie Untersuchung zu ermöglichen. This short video demonstrates an OCT experience: uncomplicated, without pain, without contact and without affecting the patient. This is state of the art eye care on to the highest technological standards. The film is intended to help patients to illustrate the steps of an OCt scan and give them a worry-free eye exam.
Topcon SS OCT Angio, is an OCT Angiography modularity specially for the Topcon Swept OCT, DRI OCT Triton. It is the only system that combines high-quality OCT Angiography with a Swept Source OCT. http://www.topcon-medical.eu/eu/products/471-ss-oct-angio-oct-angiography.html#general http://www.topcon-medical.eu/eu/products/382-dri-oct-triton-swept-source-oct.html
The People’s Champ makes a surprise experience on Raw. See ALL Raw matches, only here - http://bit.ly/rawresults More ACTION on WWE NETWORK : http://bit.ly/1u4pM74 Don't forget to SUBSCRIBE, yo!: http://bit.ly/1i64OdT More ACTION on WWE NETWORK : http://po.st/pkpbTE Follow WWE on YouTube: http://bit.ly/1i64OdT More WWE: http://www.wwe.com
Optical coherence tomography (OCT) is used increasingly in optometric practice to identify retinal pathology, to improve referral accuracy and to monitor for progression of disease. It is vital that the optometrist understands the image in front of them and knows how to describe any abnormality to another professional. Brought to you with Heidelberg Engineering Ltd, this video shows a systematic approach to interpreting the OCT, use of terminology and when to refer. We use case examples and explore what happens in the hospital setting.
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A very introductory look at Optical Coherence Tomography (OCT), an imaging technology used in medicine.
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