1. Articles from Sourabh Sharma

    1-2 of 2
    1. Optical coherence tomography angiography in acute non-arteritic anterior ischaemic optic neuropathy

      Optical coherence tomography angiography in acute non-arteritic anterior ischaemic optic neuropathy

      Purpose To characterise vascular changes in eyes with acute non-arteritic anterior ischaemic optic neuropathy (NAION), using optical coherence tomography angiography (OCT-A) imaging. Methods This hospital-based observational case-control study included included five patients with acute NAION (6 eyes), within 7 days after onset of symptoms and 19 age-matched healthy controls (19 eyes). OCT-A (RTVue XR 100; Optovue, Fremont, California, USA), covering a 4.5×4.5 mm scan area, was used to evaluate peripapillary blood flow in cases and controls. The flow densities at the retinal and choroidal level were measured using the split-spectrum amplitude-decorrelation angiography algorithm. Results The mean age ...

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    2. Application of anterior segment optical coherence tomography in glaucoma

      Application of anterior segment optical coherence tomography in glaucoma

      Optical coherence tomography (OCT) is a cross-sectional, three-dimensional, high-resolution imaging modality that uses low coherence interferometry to achieve axial resolution in the range of 3–20 μm. Two OCT platforms have been developed: time domain (TD-OCT) and spectral (or Fourier) domain (SD/FD-OCT). Visante anterior segment OCT (Carl Zeiss Meditec) is a TD-OCT widely used for anterior segment imaging. The SD-OCT systems with both posterior and anterior segment imaging capabilities include the RTVue, iVue (Optovue), the Cirrus (Carl Zeiss Meditec), and the Spectralis (Heidelberg Engineering, Inc.). Each of the SD-OCTs has a wavelength in the range of 820–879 nm ...

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    1-2 of 2
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  2. Topics in the News

    1. (2 articles) Optovue
    2. (1 articles) Medical University of Vienna
    3. (1 articles) The Chinese University of Hong Kong
    4. (1 articles) Singapore Eye Research Institute
    5. (1 articles) Duke University
    6. (1 articles) Nanyang Technological University
    7. (1 articles) Carl Zeiss Meditec
    8. (1 articles) Heidelberg Engineering
    9. (1 articles) Thomas Jefferson University
    10. (1 articles) Massachusetts General Hospital
    11. (1 articles) Polytechnique Montreal
    12. (1 articles) Wakayama Medical University
    13. (1 articles) Masamichi Takano
    14. (1 articles) Carol L. Shields
    15. (1 articles) Ik-Kyung Jang
    16. (1 articles) Theo Lasser
    17. (1 articles) Christoph Hauger
    18. (1 articles) Carl Zeiss Meditec
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