نتایج جستجو برای: enhanced depth imaging optical coherence tomography

تعداد نتایج: 1297510  

Journal: :Journal of biomedical optics 2012
Paul Cernohorsky Daniel M de Bruin Marcel van Herk Johannes Bras Dirk J Faber Simon D Strackee Ton G van Leeuwen

Conventional imaging modalities are unable to depict the early degeneration of articular cartilage in osteoarthritis, especially in small joints. Optical coherence tomography has previously been used successfully in high-resolution imaging of cartilage tissue. This pilot cadaver study demonstrates the use of intra-articular optical coherence tomography in imaging of articular cartilage of the f...

Journal: :journal of current ophthalmology 0
خلیل قاسمی فلاورجانی khalil ghasemi falavarjani ژوبین خادمی joobin khadamy ناصر کریمی nasser karimi انیس السادات جزایری anis alsadat jazayeri فواد امیرکورجانی foad amirkourjani

purpose: to evaluate the rate of optical coherence tomography (oct) grid decentration in a routine practice and its effect on thickness measurements methods: topcon spectral domain oct scans from various macular diseases including age related macular degeneration, diabetic macular edema, macular pucker and central serous chorioretinopathy (cscr) were studied in all patients visited during seven...

Journal: :Circulation 2010
Christoph M Happel Christian Klose Gabriele Witton Gian L Angrisani Soenke Wienecke Stephanie Groos Friedrich-Wilhelm Bach Dirk Bormann Jörg Männer T Mesud Yelbuz

Nondestructive, high-resolution 3-dimensional (3D) imaging of the embryonic heart remains a challenge in cardiovascular development research. In the past, several imaging techniques (eg, magnetic resonance microscopy, optical coherence tomography) were tested for their suitability to visualize the 3D morphology of embryonic hearts. Most of these imaging tools have their drawbacks with respect t...

2010
Christoph M. Happel Gian L. Angrisani

Nondestructive, high-resolution 3-dimensional (3D) imaging of the embryonic heart remains a challenge in cardiovascular development research. In the past, several imaging techniques (eg, magnetic resonance microscopy, optical coherence tomography) were tested for their suitability to visualize the 3D morphology of embryonic hearts. Most of these imaging tools have their drawbacks with respect t...

Journal: :Experimental dermatology 2013
Marc A L M Boone Sarah Norrenberg Gregor B E Jemec Veronique Del Marmol

With the continued development of non-invasive therapies for actinic keratosis such as PDT and immune therapies, the non-invasive diagnosis and monitoring become increasingly relevant. High-definition optical coherence tomography is a high-resolution imaging tool, with micrometre resolution in both transversal and axial directions, enable to visualize individual cells up to a depth of around 57...

2015
Jingyu Wang

Shack–Hartmann wavefront sensors (SH-WFS) have little sensitivity in depth and hence are unsuitable for microscopy and are limited for retinal imaging. We demonstrate the first direct Shack–Hartmann measurement of wavefront originating from a multiple-layer target, in the presence of significant stray reflections that render a standard SH-WFS inoperable. A coherence-gate SH-WFS is implemented b...

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