Unverified80% confidenceFactTime unknown

真丝眼罩的遮光能力取决于层数与内衬，单层桑蚕丝遮光率仅约70-80%，需内加遮光棉层或深色内衬才能达到90%以上

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遮光睡眠产品category

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Unverified遮光窗帘遮光率分级：涂层遮光布遮光率90-95%仍会透边光，全遮光需选三层复合织造+背涂黑丝布结构，遮光率可达99%以上，且需搭配遮光盒或轨道贴墙安装才能消除四周漏光82% similar Unverified重量与遮光效果存在权衡：全遮光记忆棉眼罩通常45-70g，长途飞行佩戴数小时会有压迫感；桑蚕丝轻薄款仅15-25g但遮光多为90%左右非全黑78% similar Unverified遮光眼罩宽度应能覆盖到太阳穴外侧，仅覆盖眼球正面的窄款会从两侧下方进光，选择上下高度足够（约9-10cm以上）且带侧翼延展的款式遮光更完整78% similar

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