框架眼镜度数怎么换算成隐形眼镜度数?

2024-10-29 18:25:14
推荐回答(5个)
回答1:

隐形眼镜的度数和框架眼镜的度数有一个换算公式:隐形眼镜屈光度=框架眼镜屈光度÷(1-0.012×框架眼镜屈光度)。1个屈光度相当于平时所说的100度,近视的屈光度是负数,远视的屈光度是正数。0.012是框架眼镜和黑眼球最高点的距离,单位是米。
  根据这个公式,400度以下的,框架眼镜和隐形眼镜的度数相差不大,基本可以忽略。大于400度的,就需要加减度数了。用于矫正近视的隐形眼镜,度数要比框架眼镜度数低。例如:验光结果是400度近视,隐形眼镜需要减25度,只需要配375度就可以了。

而你的柱镜就代表散光的意思~也就是你有100 75度散光,可以忽略不计,也可以右眼225+25度=250度,左眼350度不变~ 换算美瞳散光的公式是近视度数+散光的50%=美瞳的度数

回答2:

这样换算:400度以下不用换算,框架多少度隐形就多少度,400-575减25度如果有散光再加上散光的一半,600-750减50,有散光也加上散光的一半,度数越高减的越多,具体是有换算表的,只要你有度数可以发过来我来给你换算

回答3:

这么高的散光,如果要有好的矫正效果建议订做专门的散光隐形眼镜,就不需要换算了,厂家会根据这个度数生产的

回答4:

换算公式如下:近视400°内不用减,散光度需要换算。
但并不是教条地按公式就能匹配的,每个人的眼睛情况各异,不能简单地用公式换算,一定要实际试戴才能确认。眼镜是半医半商的行业,务必要严谨,近视度数必须是唯一的参数,绝不能模凌两可。

回答5:

等效屈光力:FB=FA/1-d*FA d=-0.012 FA是框架眼镜度数 FB是隐形眼镜度数 1.00度散光相当于50近视,0.75度散光相当于0,25度近视。都加到前面的近视度数去算就行

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