Swept Source Optical Coherence Tomography

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Images Courtesy: Prof J.M. Ruiz Moreno, Universidad Castilla la Mancha, Albacete, Spain

Images Courtesy: Prof J.M. Ruiz Moreno, Universidad Castilla la Mancha, Albacete, Spain

Key features

  • First commercially available retinal Swept Source OCT
  • Multi Modal Imaging Platform
  • Extreme fast scanning speed of 100,000 A-scans/sec
  • 1050 nm; penetrates through cataracts & hemmorrhages easily
  • 12 mm wide scan covers the macular area to the disc: perfect visualisation of choroidal structures
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High quality images

Discover what lies beneath. DRI OCT Swept Source OCT reveals perfect visualization of the choroidal structures. Explore the unseen in the vitreous body, the choroid and anterior segment.

Field reactions

"Swept Source adds a new dimension to OCT. The TOPCON DRI Swept Source OCT is easy to use, provides unique clinical information, and has improved my practice. For the first time we can in-vivo visualize not only
the vitreo-retinal interface but also the cortical vitreous which is important at the time when more and more therapies are delivered via intra-vitreal injections. Deeper imaging brings choroidal assessment into the picture and
shows the role and value of measuring choroidal thickness, helping guide my clinical decisions. Seeing more helps guide my therapy and allows me to treat more effectively. I find Swept Source OCT an essential tool to look for biomarkers of disease regression or progression."

Professor Paulo E. Stanga, MD, consultant ophthalmologist, vitreoretinal surgeon and professor of ophthalmology and retinal regeneration at the Manchester Royal Eye Hospital in Manchester, England, describes the importance of bringing optical coherence tomography (OCT) into the OR. Professor Stanga began using OCT in 1998, and he now feels that OCT is strongly linked with Topcon, as Topcon was a pioneer in the field, releasing the first system with 3D rendering software in 2006. In 2012, Topcon introduced the first retinal Swept Source OCT.

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Topcon OCT legacy

In 2006 Topcon was the first company to introduce a commercial Spectral Domain OCT. Spectral Domain (SD) had many advantages over Time Domain OCT. The first SD OCT of a whole Topcon line was the Topcon 3D OCT-1000, which incorporated a true colour fundus camera, which proved to be a valuable tool in OCT analysis.

In 2009 Topcon introduced the next model, the 3D OCT-2000 and the 3D OCT-2000FA+ which converted the OCT into a unique multi-modal tool for OCT imaging, true colour images, FA and FAF images.

In 2012 Topcon introduced the first commercial retinal Swept Source OCT, the DRI OCT Atlantis. The Atlantis Swept Source OCT produces stunning images of the vitreous body and choroidal structures.

In 2013 Topcon introduced the world’s first fully automated SD OCT with integrated true colour fundus camera, the 3D OCT-1 Maestro. The 3D OCT-1 Maestro is operated by 1 touch of your finger tip, which is unique in the world.

In 2015 Topcon introduced a combined anterior & posterior Swept Source OCT, the DRI OCT Triton. The Topcon DRI OCT Triton incorporates full color high resolution fundus photography and FA & FAF imaging. FA & FAF imaging is a factory option.

In 2016 Topcon introduced SS OCT Angio, OCT Angiography using  Swept Source OCT, which is a powerful combination.

Swept Source Technology: Discover what lies beneath

The Swept Source OCT is a huge improvement compared to Spectral Domain OCT. With Swept Source considerable additional details can be seen due to 1050 nm wavelength. Besides that, this wavelength penetrates more easily through cataracts and hemorrhages. The high speed scanning of 100.000 A-scan/sec is patient friendly for elderly patients, young children and patients with severe AMD. Patients are not distracted by the invisible 1050nm wavelength, which is convenient for the operator and patient.

* Not available in all countries, please check with your distributor for availability in your country.

DRI OCT Triton, Swept Source OCT with Multi Modal Imaging 

The DRI OCT Triton offers a true color, non-mydriatic fundus image. This unique feature is a perfect tool for identifying the location of scans in the eye, utilizing Topcon's patented Pinpoint RegistrationTM. The DRI OCT Triton Plus offers a wide range of diagnostic options with multi-modal color fundus imaging, Fluorescein Angiography (FA) and Fundus Autofluorescence (FAF). En Face OCT Imaging is available on both DRI OCT Triton models. SS OCT Angio, OCT Angiography for Swept Source OCT is an option. 

OCT Angiography for Swept Source OCT

OCT Angiography using Swept Source OCT: superior imaging through a powerful combination of technologies
Topcon's SS OCT Angio is the only system that combines high-quality OCT angiography with a Swept Source OCT. Built on the clinically proven DRI OCT Triton platform, it is powered by OCTARA™, a proprietary image processing algorithm that provides highly sensitive angiographic detection. The exceptional visualization of vascular structures, even in the choroid and deeper retinal layers is realized.

High-sensitivity imaging and deeper intravascular flow visualization
Swept Source  technology and OCTARA™ allow the deeper structures to be visualized with less depth- dependent signal roll-off, and detect even low microvascular flow with high sensitivity. Additionally, the 1μm wavelength makes OCT imaging possible for patients with media opacities.

Rapid scanning, real time eye tracking
At 100,000 A scans per second coupled with the SMARTtrack eye tracking system, the Topcon DRI OCT Triton quickly completes the OCT Angiograph scan and provides a clear image of the retinal microvascular flow network.

The OCTARA™ difference
OCTARA is the image processing technology which extracts the signal changes derived from vascular flow using multiple OCT B scans acquired at the same position. It demonstrates high sensitivity for the detection of low blood flow in microvasculature. It is anticipated that OCTARA will be useful for detecting microaneurysms or capillary abnormalities, using multiple OCT B-scans acquired at the same position. It demonstrates high sensitivity for the detection of low blood flow in microvasculature. It is anticipated that OCTARA will be useful for detecting microaneurysms or capillary abnormalities.

Accurate tracking system
SMARTTrack™, incorporated in the DRI OCT Triton, has been further developed for OCT Angiography. It now detects eye movements and blinks instantaneously and modifies the scan position to ensure complete scanning of all areas.