Unverified85% confidenceDecision RuleTime unknown
选无频闪认证（如国AA级或频闪深度＜3.2%）的灯，老年人对频闪引起的眼疲劳和头晕更敏感，廉价灯用PWM低频调光时肉眼看不见但会加重疲劳
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85%
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Long-term
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Unverified真正护眼需高频PWM调光（≥1920Hz）或原生DC调光，1920Hz以下的PWM调光在低亮度时频闪明显，敏感人群仍会眼疲劳87% similarUnverified健康向应用应确认灯带通过无频闪认证（波动深度＜3125Hz以上或直流恒流驱动），廉价PWM调光灯带在低亮度时频闪严重，长时间使用易引起视疲劳86% similarUnverified关注健康照明需选择低压驱动(通常24V)且明确标注无频闪(PWM频率≥3125Hz或DC恒流)的产品，避免长时间处于闪烁光源下引起眼疲劳85% similarUnverified对闪烁敏感或有儿童/老人的家庭，应选标注无频闪（无可视频闪，波动深度＜5%）的灯泡，廉价PWM调光灯泡低亮度时频闪严重易致眼疲劳85% similarUnverifiedPWM调光会产生频闪，长期低亮度使用（如夜灯）易引起眼疲劳，追求护眼应选无极调光/DC调光的驱动器，或明确标注"无频闪/flicker-free"的产品85% similar
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