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相关概念视频

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...

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基于光谱域光学连贯性断层扫描和基于部分连贯性干扰测量的生物识别之间的比较.

So Min Ahn1, Young Ho Kim2, Cheolmin Yun2

  • 1Department of Ophthalmology, Dongguk University Ilsan Hospital, Goyang, South Korea.

Scientific reports
|November 18, 2024
PubMed
概括

光谱域光连贯性断层扫描 (SD-OCT) 和部分连贯性干扰测量 (PCI) 提供高度一致的轴长度 (AL) 测量在眼睛与胆管关节疾病. 然而,显著的平均差异表明这些AL测量不能互换.

关键词:
轴长度 轴长度 轴长度相关性 关节病 关节病光学连贯性断层扫描仪部分连贯性干涉测量技术的部分连贯性干涉测量

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科学领域:

  • 眼科医生 眼科 眼科
  • 生物医学工程 生物医学工程
  • 医疗成像医学成像

背景情况:

  • 精确的轴长度 (AL) 测量对于眼科手术至关重要.
  • 胆管关节疾病可能会影响AL测量的准确性.
  • 对比不同的生物识别技术对于临床应用至关重要.

研究的目的:

  • 为了比较轴长度 (AL) 测量,使用光谱域光学连贯性断层扫描 (SD-OCT) 和部分连贯性干扰计 (PCI) 在眼睛中与胆管关节疾病.
  • 评估SD-OCT和PCI生物识别之间的AL测量的一致性和可互换性.
  • 调查影响测量差异的因素.

主要方法:

  • 对73名患者 (123只眼睛) 的病历进行了回顾性分析.
  • 包括各种胆叶关节疾病的眼睛.
  • 通过基于SD-OCT和基于PCI的生物识别获得的AL测量的比较.

主要成果:

  • 在SD-OCT和PCI AL测量之间观察到高一致性和强相关性 (ICC=0.996,r=0.982).
  • 在两种方法之间发现了 -0.09 ± 0.17毫米的统计学上显著的平均差异.
  • 膜的存在显著影响了测量差异 (P=0.014).

结论:

  • 虽然SD-OCT和PCI生物识别显示了对AL测量的强烈相关性,但由于显著的平均差异,它们不能互换.
  • 需要精确的AL值的临床决定应考虑所使用的特定生物识别方法.
  • 可能需要进一步的研究来完善眼睛的测量,例如视网膜膜等特定病理.