磁盘-叶角对光眼在 fundus 图像中的光眼的检测的影响
Adilson Pimentel1, Marta Gravito-Soares2,3, Elisa Gravito-Soares2,3
1Department of Physics, University of Beira Interior, Covilhã, Portugal.
概括
在特定范围内的 fundus 图像中对视神经头部 (ONH) 进行评估时,盘角 (DFA) 校正是不必要的. 瘤检测准确性仍然不受DFA的影响,但其临床后续影响需要进一步调查.
科学领域:
- 眼科医生 眼科 眼科
- 医疗成像医学成像
- 玻璃眼研究研究 玻璃眼研究
背景情况:
- 青光眼的诊断依赖于视神经头部 (ONH) 在 fundus 图像中的评估.
- 磁盘角 (DFA) 可能会影响ONH指标的准确性.
- 了解DFA的作用对于可靠的青光眼检测至关重要.
研究的目的:
- 为了评估盘角 (DFA) 校正对青光斑检测的影响,使用 fundus 图像.
- 评估DFA校正是否对于准确的视神经头部 (ONH) 评估是必要的.
主要方法:
- 一项涉及907张 fundus 图像的横截面研究.
- 分析了视神经头部 (ONH) 的指标,包括垂直杯与盘的比率 (vCDR) 和ISNT规则.
- 定制软件通过各种DFA振幅计算了带有和没有DFA校正的ONH指标.
主要成果:
- 对于在-12°和0°之间的DFA振幅,没有观察到ONH指标的显著差异.
- 瘤检测指标 (灵敏度,特异性,准确性,F1得分,AUC) 没有显示有或没有DFA校正的显著变化.
- 垂直杯盘比率 (vCDR) 分析也在纠正和未纠正的DFA场景之间产生了可比的结果.
结论:
- [-12°; 0°]范围内的DFA的 fundus图像不需要对ONH评估进行DFA校正.
- 在 fundus 图像中眼的检测不会受到磁盘-叶角的显著影响.
- 对于绿眼的随访中DFA的临床意义仍然不确定,需要进一步研究.
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