Unverified80% confidenceFactTime unknown
判断真假防蓝光可用手机蓝光检测卡或专用蓝光笔照射镜片,真防蓝光镜片会有明显的蓝光衰减;仅靠镜片颜色深浅无法判断防护能力
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80%
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Long-term
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Unverified判断真假防蓝光简单方法:用手机蓝光检测卡或对准紫外/蓝光笔照镜片,真防蓝光会明显减弱蓝光透过,仅靠镜片泛黄程度不能判断,泛黄可能只是染色未必有膜层防护97% similarUnverified判断防蓝光真伪可用手机蓝光笔或紫光笔照射镜片:真防蓝光镜片会明显反射蓝紫色光斑,无阻隔的普通镜片则透光无反射94% similarUnverified验证是否真防蓝光的简易方法:用手机屏幕对着镜片,透过镜片看蓝色区域应略偏暖,或用蓝光测试卡/紫光笔照射,真镜片会明显阻挡蓝光透过92% similarUnverified判断镜片是否真防蓝光:用蓝光笔照射镜片,真防蓝光镜片背面会明显减弱透射光,或看反光颜色(镀膜型呈紫蓝色反光),无任何反光变化的多为普通镜片89% similarUnverified验证真伪的方法:用手机蓝光检测卡或专业测试笔照射镜片,真防蓝光镜片会明显阻挡蓝色光斑;紫光测试笔无效(紫光≠蓝光),部分商家用紫光笔演示是误导89% similar
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