Unverified85% confidenceDecision RuleTime unknown
屏幕看PWM调光频率而非峰值亮度：对屏幕敏感/易眼疲劳者选高频PWM（≥1920Hz）或类DC调光机型，OLED低频闪烁是暗光下眼干头晕的主因
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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90% similarUnverified亮度调节需支持无级/PWM高频调光（≥3000Hz以上或DC调光），低频PWM调光在低亮度下频闪明显，长期夜间使用易造成眼疲劳和头痛90% similarUnverifiedPWM调光频率＜1250Hz的OLED屏对敏感人群可能引发眼疲劳，选购护眼需认准≥1920Hz高频PWM或类DC调光，2160Hz以上为第一梯队89% similarUnverified亮度调节优先选PWM高频调光（≥2000Hz）而非降压调光，低频PWM在低亮度时肉眼可见频闪，长时间伏案会加重视疲劳89% 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89% similar
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