astigmatic
英 [,æstɪɡ'mætɪk]
美[,æstɪg'mætɪk]
- adj. 散光的;乱视的;矫正散光的
英英释意
- 1. of or relating to a defect in the eye or in a lens caused by a deviation from spherical curvature which prevents light rays from meeting at a common focus and so results in distorted images