1. Stanford University

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    1. Mentioned In 128 Articles

    2. Optical Coherence Tomography Study of Retinal Changes in Normal Aging and after Ischemia

      Optical Coherence Tomography Study of Retinal Changes in Normal Aging and after Ischemia

      Purpose. Age-related thinning of the retinal ganglion cell axons in the nerve fiber layer has been measured in humans using optical coherence tomography (OCT). In this study, we used OCT to measure inner retinal changes in 3-months-, one-year, and two-year-old mice and after experimental anterior ischemic optic neuropathy (AION). Methods. We used OCT to quantify retinal thickness in over 200 eyes at different ages before and after photochemical thrombosis model of AION. The scans were manually or automatically segmented. Results. In normal aging, there was 1.3 µm thinning of the ganglion cell complex (GCC) between 3-months and 1-year (P ...

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    3. Apparatus and method for processing optical coherence tomography imaging data

      Apparatus and method for processing optical coherence tomography imaging data

      An apparatus and method process optical coherence tomography (OCT) imaging data from a sample. The method includes using a magnitude spectrum and an estimated phase term of a complex spatial Fourier transform of a complex intermediate function to generate an estimated complex spatial Fourier transform. The method further includes calculating an inverse Fourier transform of the estimated complex spatial Fourier transform and calculating an estimated intermediate function by applying at least one constraint to the inverse Fourier transform. The apparatus includes a partially reflective element configured to reflect a first portion of light and to allow a second portion of ...

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    4. Phase-sensitive optical coherence tomography using an Vernier-tuned distributed Bragg reflector swept laser in the mouse middle ear

      Phase-sensitive optical coherence tomography using an Vernier-tuned distributed Bragg reflector swept laser in the mouse middle ear
      ... College Station, Texas 77843, USA 2Department of Otolaryngology—Head and Neck Surgery, Stanford University, Stanford, California 94305, USA Phase-sensitive optical coherence tomography (PhOCT) offers exquisite sensiti...
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    5. Spectral-Domain Optical Coherence Tomography of Emulsified Subretinal Silicone Oil Presenting as a Macular Inverted Pseudohypopyon

      Spectral-Domain Optical Coherence Tomography of Emulsified Subretinal Silicone Oil Presenting as a Macular Inverted Pseudohypopyon

      The authors present a rare case of an inverted pseudohypopyon due to subretinal emulsified silicone oil in the macula of a patient who underwent pars plana vitrectomy surgery for repair of retinal detachment with proliferative vitreoretinopathy 1 year prior to presentation of this finding. The patient’s predisposing diagnosis is pathologic myopia.

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    6. Registration of SD-OCT en-face images with color fundus photographs based on local patch matching

      Registration of SD-OCT en-face images with color fundus  photographs based on local patch matching

      Registration of multi-modal retinal images is very significant to integrate information gained from different modalities for a reliable diagnosis of retinal diseases by ophthalmologists. However, accurate image registration is a challenging, we propose an algorithm for registration of summed-voxel projection images (SVPIs) with color fundus photographs (CFPs) based on local patch matching. SVPIs are evenly split into 16 local image blocks for extracting matching point pairs by searching local maximization of the similarity function. These matching point pairs are used for a coarse registration and then a search region of feature matching points is redefined for a more accurate registration ...

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  2. About Stanford University

    Stanford University

    Stanford University was founded in 1891 by Leland and Jane Stanford to "promote the public welfare by exercising an influence on behalf of humanity and civilization." More than a century later, Stanford remains dedicated to finding solutions to the great challenges of the day and to preparing our students for leadership in today's complex world.