Unverified80% confidenceDecision RuleTime unknown
无频闪（DC调光或高频PWM≥3000Hz）是护眼核心指标，低频PWM调光在低亮度档位会加重眼疲劳，选购时应确认标注无可视频闪
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80%
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Long-term
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Unverified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89% 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88% similarUnverified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88% 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87% 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87% similar
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