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相关概念视频

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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相关实验视频

Updated: Jul 20, 2025

Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
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Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography

Published on: January 15, 2013

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光学连贯性断层扫描 分裂频谱 振幅-脱相关性 光网光学.

Siyu Chen, Shuibin Ni, Alfonso Jiménez-Villar

    Optics letters
    |August 1, 2023
    PubMed
    概括

    这项研究引入了分割频谱振幅脱相关光学 (SSADOR),一种新的光学连贯性断层扫描方法. SSADOR客观地测量光受体功能,用于检测黄斑损伤的潜在临床用途.

    科学领域:

    • 眼科医生 眼科 眼科
    • 生物医学光学 生物医学光学
    • 视网膜成像 视网膜成像

    背景情况:

    • 评估光受体功能对于诊断视网膜疾病至关重要.
    • 目前测量光受体反应的方法可能是侵入性的或缺乏空间分辨率.
    • 光学连贯断层扫描 (OCT) 提供了视网膜的非侵入性横截面成像.

    研究的目的:

    • 开发和验证一种基于OCT的新技术,用于测量空间分辨的光受体对光刺激的反应.
    • 引入分割频谱振幅脱相关光学 (SSADOR) 作为一个敏感和客观的功能生物标志物.
    • 评估SSADOR用于检测黄斑损伤的临床转化潜力.

    主要方法:

    • 使用频谱复杂化狭带OCT开发SSADOR.
    • 测量光受体对光刺激反应的微观变化.
    • 使用传统的OCT仪器仪表展示一个大视野 (高达3x1mm2).

    主要成果:

    • SSADOR增强了对微观视网膜变化的敏感性.
    • 该技术不需要细胞分辨率或光学相位检测.
    • 实现了广的视野,表明了临床应用的可行性.

    更多相关视频

    Doppler Optical Coherence Tomography of Retinal Circulation
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    Doppler Optical Coherence Tomography of Retinal Circulation

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    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

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    相关实验视频

    Last Updated: Jul 20, 2025

    Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
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    Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography

    Published on: January 15, 2013

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    Doppler Optical Coherence Tomography of Retinal Circulation
    10:46

    Doppler Optical Coherence Tomography of Retinal Circulation

    Published on: September 18, 2012

    18.8K
    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

    Published on: August 4, 2018

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    结论:

    • SSADOR是一种有前途的新技术,用于客观,可量化的光受体功能的评估.
    • 这种方法可以作为光学受体损伤在斑点中的功能生物标志物.
    • 这项发展为基于OCT的功能视网膜成像的临床转化铺平了道路.