Many parents worry that using their phone next to their sleeping baby might cause the child to develop astigmatism. While this concern has some merit, it should be viewed through a scientific lens.Astigmatism is a common refractive error caused by an irregularly shaped cornea or lens, which prevents light from focusing properly on the retina. Infants’ visual systems are still developing and are sensitive to light and visual stimuli. Although there’s no direct evidence that the screen light from a parent’s phone can “cause” or “transmit” astigmatism to a baby, frequent exposure to bright or flickering light—such as from a smartphone screen—while the baby is in a drowsy or semi-awake state may interfere with healthy visual development and disrupt sleep quality.More importantly, excessive phone use can reduce meaningful parent-child interaction, which is crucial for cognitive and emotional growth. If a baby wakes up and consistently sees their parent focused on a screen, they may also imitate this behavior, potentially forming poor visual habits early on.Recommendations: When your baby is sleeping, dim the room lights and avoid pointing your phone screen directly toward them. If you must use your phone, lower the brightness, enable night or eye-care mode, and keep the device at a distance. Prioritize face-to-face interaction to support your child’s healthy visual and overall development.
很多家长担心，当宝宝睡着后自己在旁边刷手机，会不会导致孩子得散光。实际上，这种担忧有一定道理，但需要科学看待。散光（astigmatism）是一种常见的屈光不正，主要由角膜或晶状体形状不规则引起，导致光线无法准确聚焦在视网膜上。婴幼儿的视觉系统仍在发育中，对光线和视觉刺激较为敏感。虽然目前没有直接证据表明成人使用手机的屏幕光会“传染”或直接导致婴儿散光，但如果宝宝在半睡半醒状态频繁暴露于强光或闪烁光源（如手机屏幕），可能干扰其视觉发育，甚至影响睡眠质量。更重要的是，家长长时间刷手机容易忽视与孩子的互动，减少亲子交流时间，这对其认知和情感发展同样不利。此外，若宝宝醒来后看到父母总在看手机，也可能模仿这种行为，从小养成不良用眼习惯。建议：宝宝睡觉时，尽量调暗环境光线，避免将手机屏幕正对婴儿；若需使用手机，可调低亮度、开启护眼模式，并保持一定距离。同时，多进行面对面的亲子互动，为孩子营造健康的视觉和成长环境。
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