新配的眼镜，左右眼度数比原来各增加了50度，但是戴起来头晕，是怎么回事？
推荐回答（2个）
新眼镜佩戴后，眼晕，视物有高低不平感，肯定是眼镜不合适。
多见原因是——镜片光学中心没有落到瞳孔中心。也就是瞳距过小，或过大。 框架过宽，过窄。 产生了三棱镜的作用。
同时近视度数要取矫正视力最好的，最可以接受的（舒适），低度数做处方配镜。
希望你去大型，信誉高的眼镜店，或医院去测试，检查一下眼镜的情况，如果有问题， 商家有义务为你重新配镜。
（散光情况要看当时试戴时接受情况，如果加上50度散光，视力提高很明显，而且也舒适，就尽量加上，达到完全矫正。 如果加上，效果不明显，也不适，就减掉50度散光）。
单纯近视镜片是用球面镜矫正。
就是近视度数偏深了，另外，散光度数的轴向不准确（差一点也不行）。 您戴插片验光时候眼镜和眼睛的距离近 你新配的框架 眼镜是有鼻托 中间加鼻托的话 眼镜和眼睛距离远了些说明比没鼻托的眼镜度数少许高了点 要是没有鼻托的话您的度数有点高了 可以调下25到50度左右 假如是有鼻托的话 把鼻托压一下 把镜片和眼睛的距离拉近就可以 一下调整那么高的度数还要有适应时间 或许1个星期左右自然就适应目前的度数
也可能这是瞳距不合适造成的，瞳距不合适产生棱镜作用就出现头晕眼胀甚至恶心呕吐的症状.不正规的眼镜店不太重视瞳距,其实很重要. 如果镜片有散光或者两镜架鼻梁处距离相差较大，则前者要在装配好后作检测，散光轴位有无较大偏差，后者则可能会发生光学中心水平距离的改变，如两者超差明显就会带来明显不适，需要调整或者重新配镜。
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