Unverified83% confidenceDecision RuleTime unknown
亮度越高越亮但持续高亮会加剧眼疲劳，学习台灯应选无极调光或至少3档调光，能根据白天/夜晚环境光调节，固定单一亮度的灯不适合作主学习灯
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83%
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Long-term
Relevance
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Unverified亮度越高越看得清但越刺眼、越费电；起夜灯亮度控制在5-20流明即可（约1-2根蜡烛），足以看清而不惊醒睡意，追求高亮度反而违背夜灯设计初衷88% similarUnverified起夜照明亮度控制在5-15流明即可，过亮（＞30流明）会导致瞳孔收缩、彻底清醒；带无极调光或多档亮度的产品更实用，固定单一亮度容易过刺眼87% similarUnverified支持无极调光（0-100%连续调节）比分档调光（如3档）体验好得多，尤其睡前需要极低亮度(1-5%)时分档灯的最低档往往仍偏亮刺眼87% similarUnverified亮度越高越'护眼'是误区：照度过高（＞1000lx）反而增加眩光和疲劳，理想是环境光与台灯亮度形成合理对比，建议开启环境背景光而非仅用台灯87% similarUnverified亮度越高越吸睛但夜间越干扰视线，且高亮LED光衰更快；氛围照明选低功率导光条即可，不要买当阅读照明用的高亮款86% similar
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