本文介绍了矩阵方法计算较为复杂的球柱透镜偏心所致的棱镜效果。通过相似转换,将透镜在原座标上的折射力矩阵转换成在直角座标上的折射力矩阵,再与偏心的列向量相乘,可得到偏心所致的棱镜效果。由折射力矩阵的逆矩阵与所需棱镜效果的列向量相乘,可得到所需的偏心量。 This article describes the matrix method to calculate the prism effect caused by the more complex spherical lens eccentricity. Through the similar transformation, the refractive power matrix of the lens on the original coordinate is transformed into the refractive power matrix on the rectangular coordinate, and then multiplied by the eccentric column vector to obtain the prism effect caused by eccentricity. The desired eccentricity can be obtained by multiplying the inverse matrix of the refractive power matrix by the column vector of the desired prism effect.