Unverified80% confidenceCautionTime unknown
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
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80%
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Long-term
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Unverified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92% 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84% similarUnverifiedPWM调光会产生频闪，长期低亮度使用（如夜灯）易引起眼疲劳，追求护眼应选无极调光/DC调光的驱动器，或明确标注"无频闪/flicker-free"的产品83% 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82% similar
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