Unverified80% confidenceDecision RuleTime unknown
散光>75度的人群选购定制防蓝光镜片时,镜片折射率应选1.60以上以减薄边缘厚度,并确认商家支持散光轴位定制,否则易出现视物变形与色散加剧
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
Unverified选购时看镜片透光率参数:优质防蓝光镜片可见光透光率应≥90%,若厂商只标'防蓝光'却不标透光率和具体阻隔波段,多为低端染色片86% similarUnverified近视人群不建议买通用平光防蓝光镜叠戴在近视镜外,应直接配防蓝光近视定制镜片(1.60及以上折射率基材加防蓝光膜),单副更清晰轻便85% similarUnverified近视人群应选可定制度数的防蓝光镜片(在光学镜片上镀防蓝光膜),而非在成品近视镜外叠戴防蓝光平光镜或夹片,后者会增加镜片反光和边缘变形84% similarUnverified镜片阿贝数(色散指数)越低色散越明显,防蓝光镜片建议阿贝数≥40,低于32会在高对比边缘出现彩色重影,1.60折射率镜片阿贝数通常约36-4282% similarUnverified镜片折射率1.60以上时应确认阿贝数(色散系数)≥36,阿贝数越低色散越明显,高折射率+防蓝光镀膜叠加容易出现看物体边缘发彩虹色的问题82% similar
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