Results 51 to 60 of about 446,709 (166)
Curved-field optical coherence tomography: large-field imaging of human corneal cells and nerves [PDF]
Optica 7, 872-880 (2020), 2020 High-resolution optical imaging methods, such as confocal microscopy and full-field optical coherence tomography, capture flat optical sections of the sample. If the sample is curved, the optical field sections through several sample layers and the view of each layer is reduced.
arxiv +1 more source
Doppler Optical Coherence Tomography
Progress in Retinal and Eye Research, 2014 Optical Coherence Tomography (OCT) has revolutionized ophthalmology. Since its introduction in the early 1990s it has continuously improved in terms of speed, resolution and sensitivity. The technique has also seen a variety of extensions aiming to assess functional aspects of the tissue in addition to morphology. One of these approaches is Doppler OCT
Rainer A. Leitgeb +3 more
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Artifacts in optical coherence tomography [PDF]
Saudi Journal of Ophthalmology, 2014 Optical coherence tomography (OCT) is now an integral part of management for numerous retinal diseases for diagnosis, treatment planning and follow up. OCT interpretation must involve the understanding of the associated artifacts. These artifacts can mislead physicians to wrong diagnosis or inappropriate management.
Tandava Krishnan +3 more
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The Choroid and Optical Coherence Tomography
Türk Oftalmoloji Dergisi, 2016 The choroid is the most vascular tissue in the eye and it plays an important role in the pathophysiology of various common chorioretinal diseases such as central serous retinopathy, age-related macular degeneration and degenerative myopia. Quantitative assessment of the choroid has been quite challenging with traditional imaging modalities such as ...
ÖZDEMİR, MEHMET HAKAN +3 more
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Dental Optical Coherence Tomography [PDF]
Sensors, 2013 This review paper describes the applications of dental optical coherence tomography (OCT) in oral tissue images, caries, periodontal disease and oral cancer. The background of OCT, including basic theory, system setup, light sources, spatial resolution and system limitations, is provided.
Ching-Cheng Chuang +6 more
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Optical Coherence Tomography (OCT): Principle and Technical Realization
High Resolution Imaging in Microscopy and Ophthalmology, 2019 Optical coherence tomography (OCT) is a non-invasive technique for cross-sectional tissue imaging. It typically uses light in the near-infrared spectral range which has a penetration depth of several hundred microns in tissue.
Silke Aumann +3 more
semanticscholar +1 more source
Integrated Optical Coherence Tomography and Optical Coherence Microscopy Imaging of Ex Vivo Human Renal Tissues [PDF]
, 2012 available in PMC 2012 June 04Materials and Methods A total of 35 renal specimens from 19 patients, consisting of 12 normal tissues and 23 tumors (16 clear cell renal cell carcinomas, 5 papillary renal cell carcinomas and 2 oncocytomas) were imaged ex ...
Aguirre, Aaron Dominic +9 more
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Optical coherence tomography in dermatology [PDF]
Journal of Biomedical Optics, 2013 Optical coherence tomography (OCT) is a noninvasive diagnostic method that offers a view into the superficial layers of the skin in vivo in real-time. An infrared broadband light source allows the investigation of skin architecture and changes up to a depth of 1 to 2 mm with a resolution between 15 and 3 μm, depending on the system used.
Sattler, Elke +2 more
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Three-Dimensional Segmentation of Retinal Vessels in Optical Coherence Tomography with the Help of Scanning Laser Ophthalmoscopy [PDF]
, 2018 Purpose: To evaluate a new approach based on luminance changes by combining the scanning laser ophthalmoscopy and optical coherence tomography imaging techniques to acheive 3D segmentation of the retinal vessels and improve the retinal vasculature ...
Noormohammadifar, Farasat, Zinali, Mahsa
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Low-coherence optical diffraction tomography using a ferroelectric liquid crystal spatial light modulator [PDF]
, 2020 Optical diffraction tomography (ODT) is a three-dimensional (3D) label-free imaging technique. The 3D refractive index distribution of a sample can be reconstructed from multiple two-dimensional optical field images via ODT. Herein, we introduce a temporally low-coherence ODT technique using a ferroelectric liquid crystal spatial light modulator (FLC ...
arxiv +1 more source