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astigmia的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
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(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
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(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
astigmia的用法和样例：
例句
用作名词 (n.)
- The past rectification operation aiming at myopia refraction patients has developed the rectification treatment aiming at hyperopia and astigmia patients.
过去仅针对近视屈光患者施行的矫正手术，目前已发展出可针对远视与散光患者施行的矫正治疗。
