眼镜镜片是球面好还是非球面好?

2024-11-29 05:53:52
推荐回答(3个)
回答1:

传统的球面镜片,不仅镜片较厚,而且透过镜片周边看事物有扭曲、变形等现象发生,并且也不美观。
非球面镜片不仅使镜片的中心厚度和边缘厚度减少,使镜片更薄,更消除周遍像差,给配戴者自然视力。
戴非球面镜片更接近人的自然视力,这一点与隐形眼镜是相同的。希望不让别人知道自己“度数很高”的人士。希望戴上近视眼镜,眼睛不会变的太小的人士;希望减轻镜片负担的人士;两眼有屈光差异者;都可以使用非球面镜片1、一般的球面镜片,都会有像差、扭曲的!特别是边缘的像差、扭曲尤为明显,是随着度数的增大而增加!
2、非球面的镜片的特征是:表面相对比较平,相比同等度数与同等折射率的镜片相对薄一点!
非球面可以减小镜片边缘所产生的相差!是减小像的扭曲程度而不是没有!所以非球面的镜片,成像会更真实!
3、散光75+近视500-600,对于你的度数,配普通也是可以的!当然配非球面的镜片效果会更好点!主要的体现就是边缘成像会更真实,边缘像的扭曲更小!

回答2:

镜片球面和非球面的区别

回答3:

非球面镜片它的表面弧度与普通球面镜片不同,为了追求镜片薄度就需要改变镜片的曲面,以往采用球面设计,使的像差和变形增大,结果出现明显的影像不清,视界歪曲、视野狭小等不良现象。现在非球面的设计,修正了影像,解决视界歪

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