Unverified80% confidenceDecision RuleTime unknown
无频闪是护眼关键但氛围灯普遍被忽视，选购时可用手机相机对准灯光拍摄，画面有明显滚动条纹说明频闪严重，长时间使用易视疲劳
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80%
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Long-term
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Unverified带无极调光（无频闪PWM或DC调光）的助眠灯比分档调光更护眼，低亮度下频闪明显的灯会引起眼疲劳，选购时可用手机摄像头对准低亮度状态检测条纹87% similarUnverified关注频闪问题：手机摄像头对准灯出现明显条纹说明频闪严重。选带'无频闪'或'DC恒流驱动'标注的产品，护眼比调光调色更重要86% similarUnverified带闪烁频率（频闪）不达标的廉价LED哺乳灯不建议购买，长期近距离照射易引发视疲劳，选购时可用手机慢动作相机对准灯面检测是否有明显频闪条纹85% similarUnverified看重灯光无频闪（保护视力）时，需选标注'无频闪/低频闪'并采用恒流驱动的产品，低价灯常用阻容降压导致频闪严重，手机摄像头可初步检测85% similarUnverified选购频闪（Flicker）低的LED灯保护视力：无频闪/低频闪产品的波动深度应＜5%，可用手机摄像头对准亮灯查看有无滚动条纹初步判断，长期用眼场景尤其重要83% similar
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