适应性食热症患者的距离立体镜像
Sibel Oto1, Gülşah Gökgöz2, Almila Sarıgül Sezenöz2
1Department of Ophthalmology, Başkent University School of Medicine, Fevzi Çakmak Blv. Bahçelievler, 06490, Ankara, Turkey. motility2000@hotmail.com.
International ophthalmology
|August 25, 2024
概括
成功治疗的适应性食热症 (AET) 患者通常会减少距离立体急性 (DS). 经过校正后,正常接近立体视图表明不正常的DS,突出显示需要全面的双眼视觉评估.
科学领域:
- 眼科医生 眼科 眼科
- 视觉科学 视觉科学 视觉科学
- 儿科眼科医生 儿科眼科医生
背景情况:
- 适应性食热症 (AET) 是儿童的常见形式,通常与折射误差有关.
- 成功的治疗旨在实现稳定的眼睛对齐,但视觉结果如立体缩需要进一步评估.
研究的目的:
- 评估成功治疗AET的儿童的距离立体急性 (DS).
- 在这个患者群体中确定与DS结局相关的临床因素.
主要方法:
- 对176名具有折射性AET和≥1年随访的儿童进行了回顾性审查,实现了稳定的对齐.
- 评估临床因素,包括发病年龄,折射误差和近距离偏差.
- 使用距离随机立体测试和近立体测试测量DS;与50个年龄匹配的对照进行比较.
主要成果:
- 在56名被纳入试验的患者中,38名实现了DS. 所有患有DS的患者也都患有近乎刻板形状 (UCNS) 的未定形状.
- 无视度,未纠正的偏差和高超视度与DS没有显著相关.
- 在UCNS和DS之间发现了强烈的正相关性 (OR=31.14,p=0.01). 患有DS的患者在近似立体检查结果中表现得明显更好.
- 与对照组相比,AET组的DS得分明显较低 (p=0.001).
结论:
- 距离随机立体测试对于评估AET治疗后双眼视力恢复非常有价值.
- 在AET的光学校正后,在接近正常的立体镜的儿童仍然可能表现出非正常的距离立体敏度,这表明双眼功能存在持续的缺陷.
相关概念视频
Depth Perception and Spatial Vision
612
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
612
Focusing of Light in the Eye
2.6K
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...
2.6K


