相关实验视频
Updated: Jul 14, 2025

07:06
Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
Published on: March 29, 2022
2.6K
儿童视力困难与社会人口统计因素之间的关联:基于人口的分析
Andrew Mihalache1, Ryan S Huang1, Nikhil S Patil2
1From the Temerty Faculty of Medicine (A.M., R.S.H.), University of Toronto, Toronto, Ontario, Canada.
American journal of ophthalmology
|October 5, 2023
概括
社会人口统计学因素显著预测儿童和青少年的视力困难. 通过公共卫生政策解决这些差异对于实现视力健康平等至关重要.
科学领域:
- 公共卫生 公共卫生
- 眼科医生 眼科 眼科
- 社会学 社会学 社会学
背景情况:
- 视力困难影响了大量儿童和青少年.
- 社会人口统计学因素可能会影响视力问题的患病率.
- 了解这些预测因素对于有针对性的干预措施至关重要.
研究的目的:
- 确定与美国18岁以下儿童和青少年视力障碍相关的社会人口因素.
- 在全国样本中分析各种人口特征和视力障碍之间的关系.
主要方法:
- 一项回顾性,基于人口的横截面研究,使用2021年国家卫生访谈调查 (NHIS) 数据.
- 后勤回归模型被用来分析视力困难作为主要结果.
- 在7373名参与者中,社会人口统计学变量被评估为潜在的预测因素.
主要成果:
- 视力困难与无法负担医疗保健 (OR=2.60) 和公共医疗保险 (OR=1.52) 相关.
- 与年轻儿童相比,在5-8岁的儿童 (OR=4.29) 和16-17岁的青少年 (OR=6.06) 中观察到视力困难的几率更高.
- 拥有专业或博士学位的父母的孩子,与1-11年父母教育的孩子相比,视力困难的几率较低 (OR=0.30).
结论:
- 社会人口统计学因素在年轻人视力困难中发挥着重要作用.
- 视力健康方面的差异显而易见,并受到社会经济地位和获得护理的机会的影响.
- 公共卫生政策必须解决这些已确定的社会人口差异,以促进视力健康公平.
相关概念视频
Photoreceptors and Visual Pathways
6.1K
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,...
6.1K
Visual Agnosia
216
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
216
Depth Perception and Spatial Vision
692
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.
692

