Unverified80% confidenceFactTime unknown
遮光设计上，导光板/漫反射结构的台灯眩光控制优于直接下照的LED灯珠，UGR（统一眩光值）越低越好，专业读写灯通常控制在UGR<19
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80%
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Long-term
Relevance
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UnverifiedLED灯珠外露且亮度高时优先选磨砂/乳白全包裹式灯罩，UGR（统一眩光值）控制目标应＜19，透明或半开口灯罩防眩效果差84% similarUnverified防眩射灯通过深藏灯珠(深防眩杯)和UGR<19的设计减少直视刺眼，家居选购应关注防眩等级而非仅看亮度，UGR<19为舒适视觉标准84% similarUnverified眩光控制看统一眩光值UGR，护眼台灯应选UGR≤19（越低越好），高流明不代表低眩光，直射光源或裸露灯珠即使亮度达标也会造成视觉疲劳84% similarUnverified非对称光学配光设计（防眩光）比单纯堆亮度更重要，能减少灯光直射入眼和桌面反光眩光；只标注高流明不提配光/眩光等级（UGR≤19）的产品需警惕82% similarUnverified选带防眩光设计（深藏15-30mm、格栅或蜂窝网）的射灯，UGR≤19（统一眩光值）才不刺眼，无防眩设计的裸灯珠射灯躺沙发会直晃眼79% similar
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