Unverified82% confidenceDecision RuleTime unknown
调光方式优先选DC直流调光或高频PWM（≥3125Hz），避免低频PWM调光；低频PWM在肉眼不可见的情况下仍会造成视疲劳累积
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82%
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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93% similarUnverified调光方式优先选DC直流恒流调光或高频PWM（＞3125Hz），低频PWM调光（尤其调暗时）会产生肉眼难察觉的频闪，是低价灯的隐藏坑93% similarUnverified高频PWM调光(≥1920Hz)或类DC调光对暗光长时间观看更护眼，低频PWM(240-480Hz)暗环境易眼疲劳；护眼敏感者优先看DC-like/高频PWM实测数据而非厂商'护眼认证'标签90% similarUnverified带DC调光或PWM高频调光（≥1250Hz以上或标注无频闪）的灯泡才能护眼，低价灯泡低亮度时用低频PWM，调暗后频闪明显加剧89% similarUnverified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89% similar
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