相关实验视频
Updated: Jul 25, 2026

05:05
Ultrasound Cyclo Plasty in Eyes with Glaucoma
Published on: January 26, 2018
12.1K
多光谱折射拓图的重复性和一致性在循环之前和之后的学龄儿童中
Xiaoli Xu1, Wansheng Zang1, Anken Wang2
1Department of Ophthalmology, Children's Hospital of Fudan University, The National Children's Medical Center, 399 Wanyuan Road, Shanghai, 201102, China.
Biomedical engineering online
|November 4, 2024
概括
多光谱折射拓 (MRT) 提供可重复测量儿童视网膜折射的方法. 这项技术与其他方法具有很高的一致性,证明了它对儿科眼科检查的可靠性.
科学领域:
- 眼科医生 眼科 眼科
- 眼镜测量是指眼睛的测量.
- 儿科眼科护理 儿科眼科护理
背景情况:
- 评估儿童视网膜折射对于早期发现视力问题至关重要.
- 多光谱折射拓 (MRT) 是一种用于测量视网膜折射的新技术.
- 了解MRT在儿科患者群体中的重复性和一致性对于其临床采用至关重要.
研究的目的:
- 评估多谱折射拓 (MRT) 在测量视网膜折射中的可重复性和一致性.
- 评估MRT在循环之前和之后的儿科患者的性能.
- 确定MRT对儿童中枢和外围视网膜折射测量的可靠性.
主要方法:
- 一项涉及60名7-18岁儿童的前性研究.
- 使用MRT在循环之前和之后重复测量中部和外围视网膜折射.
- 与客观折射 (OR) 和主观折射 (SR) 进行比较,以评估一致性.
主要成果:
- 在循环之前,MRT在中央和外围视网膜折射方面表现出良好的重复性 (最低ICC=0.78).
- 循环后重复性显著改善 (最低ICC=0.91).
- 在MRT,OR和SR之间发现了很高的一致性,其一致性极限很窄,为95%.
结论:
- MRT表现出与自折射计和经验丰富的眼科医生对中央折射测量的高度一致.
- 磁力共振扫描为学童的外周视网膜折射提供了可重复的测量,无论是在循环之前还是之后.
- 磁力共振是评估儿科患者视网膜折射的一个可靠工具.
相关概念视频
Spectrophotometry: Introduction
Spectrophotometry is the quantitative measurement of the absorption, reflection, diffraction, or transmission of electromagnetic radiation through a material as a function of the intensity and wavelength of the radiation. A spectrophotometer is a device used to measure the change in the radiation intensity caused by its interaction with the material.
The essential components of a spectrophotometer include a source of electromagnetic radiation, a slot for placing a material to be analyzed, and a...
The essential components of a spectrophotometer include a source of electromagnetic radiation, a slot for placing a material to be analyzed, and a...
IR Frequency Region: Fingerprint Region
IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the C=O, C=N, and C=C occur between 1600–1850 cm−1.
The...
The...

