0-6岁儿童与减少户外活动相关的年龄相关和可逆折射变化:一项为期六年的社区研究
Li Xu1,2, Yan Zhang2, Cheng Yang2
1The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510400, China.
Scientific reports
|January 19, 2026
概括
在被关押期间减少户外活动导致0-6岁儿童显著的近视转移. 这凸显了户外暴露对于预防幼儿近视,特别是三岁以下儿童近视的重要性.
科学领域:
- 眼科医生 眼科 眼科
- 儿科 儿科 儿科
- 公共卫生 公共卫生
背景情况:
- 儿童近视是一个日益关注的问题,户外活动被认为是一种保护因素.
- 关于减少户外暴露对三岁以下儿童折射发育的影响的数据有限.
研究的目的:
- 调查减少户外活动与0-6岁儿童折射发育之间的关联.
- 分析不同户外暴露期间球形等效 (SE) 和近视前患病率的趋势.
主要方法:
- 一项基于人口的横截面研究,涉及70490名0-6岁儿童在中国广州 (2018-2023年).
- 每年使用非cycloplegic光学选器进行折射选.
- 分析平均SE和近视前患病率,按年龄组和查年份分层,重点关注2020年家庭监禁.
主要成果:
- 在2018-2019年间,折射误差保持稳定,这表明了高视度储备.
- 2020年,所有年龄组都经历了显著的近视转变 (与2019年相比,SE平均下降了0.36-0.56 D).
- 近视前患病率在2020年达到峰值,在2-6岁儿童中超过94%,与2018-2019年相比风险显著增加 (OR <0.30).
结论:
- 减少户外活动与幼儿 (0-6岁) 暂时的,年龄相关的近视转移有关.
- 三岁以下的儿童特别容易受到这些折射变化的影响.
- 这些发现强调了将户外暴露纳入幼儿近视预防策略的必要性.
更多相关视频
08:46Studying Age-dependent Genomic Instability using the S. cerevisiae Chronological Lifespan Model
Published on: September 29, 2011
16.0K
08:05Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
Published on: June 30, 2020
8.0K
相关概念视频
Community Based Intervention
282
Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
282
What are Populations and Communities?
37.2K
Overview
37.2K
Aging
624
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
624
Reducing Line Loss
370
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
370
Acid–Base Equilibria: Activity-Based Definition of pH
1.2K
For an ideal solution, the pH is defined as the negative logarithm of the hydrogen ion concentration. For a non-ideal solution, an accurate measurement of the pH must consider the negative logarithm of the hydrogen ion activity rather than concentration. In such a solution, the pH can be more accurately defined as the negative logarithm of a product of the hydrogen ion concentration and its activity coefficient.
In solutions of very low ionic strength—for example, pure water—the...
In solutions of very low ionic strength—for example, pure water—the...
1.2K
The Integrated Rate Law: The Dependence of Concentration on Time
41.0K
While the differential rate law relates the rate and concentrations of reactants, a second form of rate law called the integrated rate law relates concentrations of reactants and time. Integrated rate laws can be used to determine the amount of reactant or product present after a period of time or to estimate the time required for a reaction to proceed to a certain extent. For example, an integrated rate law helps determine the length of time a radioactive material must be stored for its...
41.0K
