Unverified80% confidenceCautionTime unknown
如果日常使用基本在户外强光或高亮度场景，高频PWM调光的护眼优势感知不明显，该技术主要在中低亮度下才体现差异
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80%
Confidence
Long-term
Relevance
-
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Unverified低频PWM调光(如某些机型高亮下降频)与LTPO低刷叠加时，敏感人群在低亮度低刷场景更易感到频闪不适，护眼敏感者应确认全亮度全刷新率下的调光策略而非仅看峰值PWM频率86% similarUnverified对频闪敏感或长时间用眼者不建议买仅靠低频PWM调光的廉价台灯，尤其在中低亮度档位频闪深度会显著增大86% similarUnverified偏光效果和Prizm增色技术在晴天强光下表现突出，但阴天或黄昏低光环境下对比度提升有限，弱光场景不如浅色非偏光镜片通透84% similarUnverified低亮度环境下的调光方式比LTPO更影响护眼与省电体验：高频PWM(≥1920Hz)或类DC调光对敏感人群更重要，选LTPO机型时应同时确认低亮度调光频率83% similarUnverified触摸调光和无极调光看似高级，但PWM调光（脉宽调制）在低亮度档位可能产生频闪，若产品未说明采用DC恒流调光，避免长期使用最低亮度档83% similar
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