Unverified68% confidenceCautionTime unknown
视力严重下降（黄斑变性/白内障术后）老人慎选OLED屏低频PWM调光机型，低亮度频闪易加重视疲劳，应优先选DC调光或高频PWM（≥1920Hz）屏幕
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68%
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Long-term
Relevance
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Unverified护眼看调光方式：优先1920Hz或以上高频PWM调光，或类DC调光；低于480Hz的低频PWM OLED屏对敏感人群易致眼疲劳头晕85% similarUnverified屏幕护眼看两个指标：高频PWM调光(≥1920Hz)+类DC调光，对光敏感人群优先，低频PWM(480Hz)长时间看易眼疲劳84% similarUnverified低价副厂OLED屏常采用低频PWM调光，在低亮度下频闪严重，容易引发头晕眼睛疲劳；对频闪敏感者应确认屏幕支持类DC调光或选原装屏83% similarUnverified选无频闪认证（如国AA级或频闪深度＜3.2%）的灯，老年人对频闪引起的眼疲劳和头晕更敏感，廉价灯用PWM低频调光时肉眼看不见但会加重疲劳81% similar
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