Unverified78% confidenceDecision RuleTime unknown
调光方式优先选PWM频率>3000Hz或DC直流调光的产品，低频PWM（<1250Hz）在低亮度时频闪严重，长期使用引起眼疲劳
1
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78%
Confidence
Long-term
Relevance
-
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Unverified调光方式优先选无频闪（DC调光或高频PWM＞3000Hz），低频PWM在低亮度下频闪严重，长时间近距离使用易致眼疲劳94% similarUnverifiedPWM调光频率过低（＜1000Hz）的调光夜灯会产生频闪，长期使用对眼睛不友好，敏感人群应选DC调光或高频PWM（＞3000Hz）产品94% similarUnverified调光方式建议选支持无极调光或多档位（≥3档），并优先PWM调光频率＞3000Hz或采用DC调光的机型，避免低频PWM调光在低亮度下产生频闪92% similarUnverified关注PWM调光频率，低于1250Hz的低亮度调光会产生频闪，长时间使用易疲劳；优选宣称高频PWM（>3000Hz）或DC直流调光的产品，儿童房和书房尤其重要92% similarUnverifiedPWM调光频率≥1920Hz或采用类DC调光才算真正护眼，低于360Hz的低频PWM长时间使用易导致眼疲劳；对频闪敏感人群应认准全程DC调光或高频PWM≥2160Hz机型92% similar
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