遗传和环境因素对外周折射的影响
Dibyendu Pusti1, Antonio Benito1, Juan J Madrid-Valero2
1Laboratorio de Óptica, Universidad de Murcia, Murcia, Spain.
Translational vision science & technology
|October 23, 2024
概括
遗传学显著影响外围折射误差和视网膜图像特征,而环境因素影响中央折射误差. 这突出了近视管理的遗传点.
科学领域:
- 眼科医生 眼科 眼科
- 遗传学 是一个遗传学.
- 视觉科学 视觉科学 视觉科学
背景情况:
- 折射误差,包括近视和超视,是由遗传和环境因素影响的复杂特征.
- 了解这些影响对于制定有效的近视控制策略至关重要.
研究的目的:
- 调查单胞胎 (MZ) 和双胞胎 (DZ) 双胞胎对中折射误差的遗传和环境贡献.
- 分析和外周折射,包括球形等价和失焦,以及它们与遗传和环境影响的关系.
主要方法:
- 在54MZ和46DZ双胞胎对中使用视网膜扫描评估了叶和外周折射.
- 分析的球形等价值 (MLOS),外围失焦 (δMperiphery),鼻不对称 (RMSEASY) 和图像外轮 (RMSEAVG).
- 采用结构方程模型 (ACE模型) 来确定遗传和环境贡献.
主要成果:
- 类内相关性揭示了对外围失焦 (δMperiphery) 和视网膜图像特征 (RMSEASY,RMSEAVG) 的显著遗传影响.
- 来自ACE模型的遗传性估计表明对外围折射变异 (0.77) 和视网膜图像特征有实质性的遗传控制.
- 环境因素对中心折射误差的影响更为明显 (MLOS遗传率为0.13).
结论:
- 遗传因素在外围折射误差和视网膜图像质量方面发挥着主导作用.
- 对于中心折射误差,环境影响更为重要.
- 这些发现表明近视干预的潜在遗传点,并强调需要个性化方法.
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