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配眼镜时要考虑些什么?名词SPH,CYL,AXIS,OD,OS啥意思? |
2金钱
最佳答案Sphere (SPH): the amount of long (+) or short (-) sight your eye has. The farther the number away from 0.00, the stronger and thinner then prescription lens required. 就是俗曾的近视度数,分远视和近视,一般会在Prescription上写清楚。度数越高,对镜片的要求越高,如果是600度以上的话,最少要配1.61 的镜片。
Cylinder (CYL): the amount of astigmatism, or visual distortion, caused by an irregularly shaped c ...
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