Unverified83% confidenceFactTime unknown
阿贝数(色散系数)应关注:≥40画面边缘色散小、成像清晰,高折射率镜片阿贝数通常降到30-35,看物体边缘易出现彩边,长时间佩戴易视疲劳
1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified镜片色散度用阿贝数衡量,阿贝数越高色散越小视觉越清晰;防蓝光镜片建议阿贝数≥40,低于35看屏幕边缘易出现彩色重影86% 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86% similarUnverified选购时优先看阿贝数(色散系数):阿贝数≥40的镜片色散小、成像清晰不易头晕,1.60折射率镜片阿贝数通常约36,1.56镜片约42,长时间用眼建议选高阿贝数85% 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36-4285% similarUnverified折射率越高镜片越薄美观,但阿贝数下降导致色散加重、成像质量降低,中低度近视不必盲目追求高折射率,1.60兼顾轻薄与清晰78% similar
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