a fault in the lens of the eye which reduces the quality of sight , especially a fault which stops the eye from focusing
发音
例句
1. Maybe you fall asleep in class because of uncorrected astigmatism. 也许你在课堂上睡觉是因为你的眼睛散光。 2. Astigmatism can occur in addition to nearsightedness and farsightedness. 散光可同时发生在近视和远视。