astigmatism
/ә'stigmәtizm/
BNC频率: 42073
现代语料频率: 30787
中文翻译
n. 散光
[化] 像散
英文解释
n. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
n. (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
相关词组
1
[医] 反规性散光
2
[医] 循规性散光