Unverified80% confidenceDecision RuleTime unknown
镜灯长度建议为镜子宽度的1/2至2/3，或采用双侧竖装灯（每侧一条）实现无阴影均匀打光；单顶部横灯会在下巴和眼窝形成阴影
1
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80%
Confidence
Long-term
Relevance
-
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Unverified镜灯宽度应达到镜子宽度的1/2至2/3，长条灯装在镜子顶部或两侧；单侧顶部安装易在下巴和眼窝形成阴影，两侧对称布光才能均匀照亮面部97% similarUnverified镜前灯长度应为镜面宽度的1/2到2/3，过短则脸部两侧光照不足产生阴影，过长会超出镜框显得突兀；圆镜建议选可弯折软灯带或两侧竖装95% similarUnverified镜前灯长度建议为镜子宽度的1/2至2/3，过短两侧照度不均产生阴影，过长则超出镜面浪费且不美观93% similarUnverified镜前灯长度选镜面宽度的1/2到2/3最协调，如镜宽80cm选40-55cm灯具；灯超过镜宽会显突兀且照明浪费89% similarUnverified宽幅对称式发光面（导光板/多颗LED阵列）比单点光源灯珠照度均匀性更好，遮光角设计应保证正常坐姿看不到刺眼灯珠，避免眩光进入视野83% similar
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