Unverified88% confidenceDecision RuleTime unknown
阅读用落地灯需选色温4000K-5000K + 亮度≥800流明，暖光（2700K以下）长时间阅读易疲劳
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88%
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Long-term
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Unverified阅读用落地灯亮度需≥800流明，色温4000K中性光最护眼；纯装饰氛围灯选2700-3000K暖光即可，亮度400流明足够92% similarUnverified阅读用落地灯需满足照度≥500lux（阅读区）+ 显色指数Ra≥90，护眼款优先选无频闪认证（如国AA级），色温4000K左右最适合长时间阅读90% similarUnverified阅读/工作用装饰台灯应选色温可调至4000-4500K中性光且显色指数Ra≥90，纯装饰氛围灯可用2700K暖光且不必强求高显色89% similarUnverified护眼阅读灯应选择色温可调（2700K暖光~4000K中性光）且显色指数Ra≥90，长时间阅读用4000K以下暖白光可减少蓝光刺激89% similarUnverified阅读用途优先选带独立阅读臂或可调灯头的直照式落地灯，照度需达到300lux以上（相当于5W以上LED光源直射桌面），单纯的向上打光落地灯照度通常不足100lux，不适合长时间阅读89% similar
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