高分辨率光学一致性断层扫描中的带可见性使用定制审查工具进行评估,并更新了基因组学衍生的命名法
Lukas Goerdt1,2, Thomas A Swain1, Deepayan Kar1
1Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Heersink School of Medicine, Birmingham, AL, USA.
Translational vision science & technology
|December 13, 2024
概括
高分辨率光学连贯断层扫描 (HR-OCT) 显示了更多的视网膜层,老化和AMD影响了可见性. 这种精细的命名体系有助于结构功能研究和人工智能开发.
科学领域:
- 眼科医生 眼科 眼科
- 医疗成像医学成像
- 视网膜生物学 视网膜生物学
背景情况:
- 目前的光学连贯性断层扫描 (OCT) 命名法在解析视网膜细结构方面存在局限性.
- 了解与年龄相关的变化和与年龄相关的黄斑变性 (AMD) 需要对视网膜解剖学的详细可视化.
研究的目的:
- 完善用于OCT高分辨率成像 (HR-OCT) 的OCT命名体系.
- 在HR-OCT中评估一种新的审查软件,用于评估视网膜带可见性.
- 调查衰老和AMD对视网膜带可见性的影响.
主要方法:
- 开发了一个基于ImageJ的定制审查工具,由体积电子显微镜,免疫局部化和组织学提供信息.
- 使用HR-OCT (<3μm轴分辨率) 评估视网膜带可见性,用于健康的年轻成年人,老年人以及早期和中期AMD患者.
- 检查了自动实时平均 (ART) 对视网膜带可见性的影响,并评估了读者内部可靠性.
主要成果:
- 确定了28个视网膜带,包括以前未解决的层,如内状层 (IPL) 1-5和外状层 (OPL) 1-2.
- 增加ART改善了视网膜内带的可见性 (IPL-3-5,OPL-2).
- 衰老和AMD显著降低了视网膜外带的可见性,包括外段间区 (OSIZ) 和视网膜色素上皮层 (RPE) 层.
结论:
- 一个新的审查工具可靠地使用HR-OCT识别了28个视网膜带.
- 图像的平均值提高了视网膜内带的可见性.
- 衰老和AMD的发展会对视网膜外带的可见性产生负面影响,这凸显了对高级成像分析的需要.
更多相关视频
08:50Longitudinal Morphological and Physiological Monitoring of Three-dimensional Tumor Spheroids Using Optical Coherence Tomography
Published on: February 9, 2019
7.6K
07:02Author Spotlight: Advancements in In Vivo and Ex Vivo Retinal Imaging for Improved Glaucoma Diagnosis and Treatment
Published on: June 30, 2023
1.5K
相关概念视频
Evolutionary Relationships through Genome Comparisons
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
Modern Molecular Taxonomy
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
