Unverified83% confidenceDecision RuleTime unknown
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
1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen
Sources
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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90% 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90% similarUnverified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88% similarUnverified护眼看重防频闪时优先选高频PWM调光≥1920Hz或全程DC调光机型，低频PWM（240Hz/480Hz/720Hz）在低亮度下频闪明显，敏感人群会头晕眼胀88% similar
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