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[转帖] 眼镜片太厚的原因?

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发表于 2017-9-22 13:54 | 显示全部楼层 |阅读模式
眼镜片太厚的原因?配眼镜的时候大家都想配到比较薄的镜片。镜片太厚会影响美观,对佩戴感也会有影响。而影响眼镜片的厚度也是有多个因素的,下面就带大家一起来了解一下影响眼镜片厚度的因素。


1:度数的因素
   度数高低是影响镜片厚度的一个很重要的因素,由于近视眼镜镜片是凹透镜,因此,眼镜片是中间薄,周边厚。一般来讲,近视的度数越高的话,眼镜片的周边就越厚。
2:镜片的折射率
   很多人都会看到镜片参数中有折射率,在材质相同,度数相同的情况下,镜片的折射率越高的话,镜片也就越薄。所以一般来讲,度数比较高的适合选择中高折射率的镜片,低度近视的选择低折射率的镜片。
3:瞳距与镜架几何光心距
   一般镜框的中心都是比个人的实际的瞳距大,因而镜片中心是需要内移的,镜片的中心往鼻梁侧移动,因而在装眼镜片的时候都需要将镜片内移,内移的越大的话,镜片外侧也就越厚。
4:镜框大小形状
       镜架形状偏圆或者椭圆的眼镜做出来看起来效果会显的稍微薄些。方形或者有不规则棱角的做出来就会显的镜片比较厚。一般情况下大框比小框做出来镜片要厚。
以上就是影响眼镜片厚度的因素一些基本因素,希望对大家有所帮助。

发表于 2017-9-22 19:45 | 显示全部楼层

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