相关实验视频

Updated: Mar 13, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

视力敏度与3至10岁以下儿童的周期性折射误差之间的关联

Jennifer X Haensel¹, Angela M Chen², Aparna Raghuram³

¹Spencer Center for Vision Research, Byers Eye Institute at Stanford University, Palo Alto, California, USA. jhaensel@stanford.edu.

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)

|March 11, 2026

概括

在没有眼镜的3至10岁的儿童中,远距离视敏度 (VA) 降低与近视和眼有关. 然而,只有近视显示VA的下降与越来越严重的严重性.

科学领域:

眼科医生眼科眼科
儿科光学测量儿科光学测量
折射误差研究折射误差研究

背景情况:

远视敏度 (VA) 与老年儿童的折射误差有关.
对于6岁以下的儿童和没有先前折射纠正的儿童,数据有限.
了解幼儿的VA对于早期检测和干预至关重要.

研究的目的:

评估VA测试在3至10岁以下的儿童中没有折射纠正史的有用性.
在这个年龄组中检查VA和折射误差 (近视,近视,视) 之间的关系.
为了确定VA测试是否可以有效地分类幼儿的折射误差类型.

主要方法:

无助单眼距离和近VA测试使用适合年龄的图表进行.
循环麻的自律折射将参与者分为近视,超视,眼或眼组.
接收机操作特征曲线和线性回归分析了VA和折射误差大小之间的关系,控制年龄.

主要成果:

减少距离VA显著与近视 (AUC=91%) 和眼 (AUC=87%) 相关.
超视远与远程VA (AUC=63%) 和近距离VA (AUC=70%) 的相关性较弱.
近视的每0.36 D增加与远距离VA的0.10 logMAR下降相关;对于近视或的幅度没有发现这样的预测.

结论:

在3至10岁以下的儿童中,未经校正的距离VA缩小主要与近视和形有关.
在这个队列中,高视障碍与缩短距离VA没有显著的关联.
近视显示了与VA距离下降的剂量依赖关系,突出显示了其对视觉功能的影响.

关键词:

循环损伤症 (Cycloplegia) 是一种循环损伤症.折射误差是指一个折射误差.视力敏度视力敏度视力敏度视力敏度测试视力敏度测试

更多相关视频

$Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter$ 05:14

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

Published on: September 16, 2025

The Optokinetic Response as a Quantitative Measure of Visual Acuity in Zebrafish

The Optokinetic Response as a Quantitative Measure of Visual Acuity in Zebrafish

Published on: October 9, 2013

相关概念视频

Focusing of Light in the Eye

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...

Photoreceptors and Visual Pathways

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...

Accessory Structures of the Eye

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...