请输入您要查询的英文单词：
单词
astigmatism
释义
astigmatism
NOUN
U
MEDICAL
/əˈstɪgməˌtɪz(ə)m/
a condition in which someone’ s eyes cannot focus correctly without the help of glasses 散光
DERIVED WORD
astigmatic
adj
/ˌæstɪgˈmætɪk/