Unverified80% confidenceFactTime unknown

护眼灯采用间接照明（灯珠向上打天花板反射）或加导光板漫射设计，比直射式眩光更小；灯珠裸露无遮光罩的直射灯直视会刺眼，读写不宜选

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80%

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Long-term

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护眼灯category

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Unverified遮光设计的核心是'防眩光'：优质护眼灯采用二次配光透镜或导光板，使坐姿正常时眼睛看不到刺眼的裸露灯珠，光线柔和铺开而非集中光斑89% similar Unverified遮光设计不足会导致眩光：选灯珠隐藏在导光板/挡光板后、直视灯头不刺眼的产品，裸露灯珠或点光源台灯长时间使用易致眼疲劳89% similar

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