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近视与大脑体积之间的关联:观察和遗传分析
Selena Wei Zhang1,2, Jingze Guo3,4, Yanxian Chen1,2
1School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong.
Investigative ophthalmology & visual science
|June 18, 2025
概括
近视现象与大脑体积的减少有关,特别是教育程度较低的人的灰质. 然而,基因分析并不支持近视和大脑体积之间的因果关系.
科学领域:
- 神经科学是一个神经科学.
- 眼科医生 眼科 眼科
- 遗传学 遗传学 是一个
背景情况:
- 近视是一种常见的折射误差,已被认为与大脑结构有关.
- 了解这些关联对于理解视觉健康和神经特征之间的复杂相互作用至关重要.
研究的目的:
- 研究近视和各种大脑体积之间的表型和遗传关系.
- 使用英国生物银行数据库进行全面分析.
主要方法:
- 员工倾向分数匹配 (PSM) 用于病例对照比较.
- 一般线性回归分析了近视-大脑体积关联,并对共变量进行调整.
- 双向门德尔随机化 (MR) 和遗传风险评分 (GRS) 评估了遗传联系.
主要成果:
- 现型分析揭示了近视与大脑总体体积和白质体积减少之间的显著关联.
- 教育水平改变了近视和灰质相关性,在受教育程度较低的人群中显示出更强的负相关性.
- 对MR和GRS的分析没有支持近视和大脑体积之间的因果遗传联系.
结论:
- 近视与大脑体积表现出现型关联,特别是教育程度较低的群体中的灰质.
- 遗传分析 (MR和GRS) 没有证实近视和大脑体积之间的因果关系.
- 观察到的表型关联可能受到未测量的混因素的影响,需要进一步研究.
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