Unverified80% confidenceTradeoffTime unknown
照度越高看得越清晰但功耗和发热增加、也更易造成桌面反光眩光；桌面工作区照度控制在500-750lx即可，盲目追求上千lx反而增加眩光风险
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80%
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Long-term
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Unverified照度越高越清晰但功耗和眩光风险越大；桌面照度并非越亮越好，超过1000lx反而刺激眼睛，AA级500lx中心照度配合大发光面漫射即可满足需求88% similarUnverifiedAA级照度高覆盖面积大，但灯珠功率高发热明显且更耗电，小书桌（宽度＜1m）用A级已够，盲目追AA反而眩光风险增加81% similarUnverified亮度与护眼存在权衡：并非越亮越护眼，桌面照度超过750lx反而增加眩光负担，理想是可调至500-750lx区间，带自动感光调节的能随环境补光更省眼81% similarUnverified亮度越高功耗越大越费电发热，日常室内使用500-600nits已足够，一味追求高亮度机型会缩短续航并增加烧屏风险80% similarUnverified补光越亮显色越好但功耗与眩光风险越高，桌面化妆镜亮度以可调300-1000流明为宜，超过后近距离照射反而刺眼78% similar
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