astigmatism against the rule

astig... ... acquired astigmatism 后天性散光 astigmatism against the rule 反规性散光 astigmatism with the rule 循规性散光 ...

　　关于散光的矫正问题，原则上逆规性散光（astigmatism against the rule）应全矫；因人类本身可以有0.50～1.00Dc的顺规性散 …

...tigmatism with the rule）、逆规散光（astigmatism against the rule）、斜向散光（oblique astigmatism），屈光不正性弱视。