Unverified84% confidenceCautionTime unknown
护眼不能只看防蓝光，真正减负担的是DC调光（无频闪）；低亮度下用PWM调光的屏幕即使有防蓝光认证仍会引起眼疲劳，认准硬件级不闪屏
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84%
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Long-term
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Unverified护眼滤镜只能阻隔蓝光，无法解决屏幕闪烁(PWM调光)导致的眼疲劳；若主要不适源于低亮度频闪，应换DC调光/无频闪显示器，而非加装滤镜92% similarUnverified屏幕护眼看DC调光而非PWM调光，同时选择通过硬件低蓝光认证（如莱茵TÜV硬件级）的机型；软件低蓝光只是调色温，长时间用眼疲劳差异明显90% similarUnverified真正护眼需同时具备硬件级DC调光无频闪与TÜV莱茵低蓝光双认证，仅有软件降蓝光（偏黄模式）而无硬件无频闪的机型，在低亮度下仍会PWM频闪加重疲劳90% similarUnverified真正护眼要看'硬件低蓝光'和'DC调光/不闪屏'，而非软件降蓝光；PWM低频调光（<1250Hz）在低亮度下频闪严重，敏感人群长时间使用易疲劳干涩88% similar
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