The common correction methods are opticalcorrection and digital correction.
常用的校正方法为光学校正和数字校正两种方法。
2
Correction is among the components of the mutual position and function of correction, correction method: ruler correction, correction of square, opticalcorrection and so on.
矫正是零部件之间相互位置和功能进行矫正等，矫正的方法有：平尺矫正、角尺矫正、光学矫正等等。
3
Whether or not children had prior treatment, a significant benefit was seen for the augmented strategy compared with only opticalcorrection among children aged 7 to 12 years.