Laser-based technology helps doctors image full eye in 3-D

phys.org | 3/11/2019 | Staff
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It is estimated that in 2015, 217 million people had moderate to severe vision impairment, while 36 million were blind, according to an article in the journal The Lancet Global Health. The World Health Organization predicts that about 80 % of vision impairment globally is preventable or curable. Early diagnosis is crucial for effective interventions.

Researchers supported by the EU-funded photonics innovation incubator ACTPHAST 4.0 have introduced "a swept light source technology that makes it possible to take full 3-D OCT [optical coherence tomography] images of the eye," says a news release posted on the project website. The technology, developed by scientists from the Technical University of Denmark (DTU), "is being commercialised by the university spin-out company OCTLIGHT ApS. With support from Europe's 'one-stop-shop' incubator for photonics innovation, ACTPHAST 4.0 OCTLIGHT has been able to solve a critical challenge in miniaturizing the packaging of this novel laser technology to meet commercial marketplace demands." The non-invasive OCT technique is widely used by eye specialists, but it doesn't have the speed to take a full image of the eye due to constant eye movements.

News - Release - CEO - OCTLIGHT - Dr

Quoted in the news release, CEO of OCTLIGHT Dr. Thor Ersted Ansbæk, says, "The field of vision and depth is critical to diagnosing diseases of the retina. Our technique allows you to image the whole eye from front to back in 3-D. It scans faster so you can image a larger part of the retina. It allows you to image...
(Excerpt) Read more at: phys.org
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