astigmatism
英 [ə'stɪgmətɪz(ə)m]
美 [ə'stɪɡmətɪzəm]
- n. [眼科] 散光；[光][电子] 像散性；[光][电子] 像散现象
中文词源
astigmatism 散光前缀a-, 不，非。词根stig, 点，刺，同stick. 指眼睛看东西不能聚成一点。
英文词源
- astigmatism (n.)
- 1849, coined by the Rev. William Whewell (1794-1866), English polymath, from Greek a- "without" (see a- (3)) + stigmatos genitive of stigma "a mark, spot, puncture" (see stick (v.)).
双语例句
- 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.
来自《简明英汉词典》
- 2. They have what is called astigmatism.
- 他们有所谓散光.
来自辞典例句
- 3. Under astigmatism even narrow parallel light beams will not combine into one point.
- 有象散存在时甚至很窄的平行光束都不能会聚在一点.
来自辞典例句
- 4. Have the nearsighted patient of astigmatism, can you adorn invisible glasses?
- 患有散光的近视患者, 能佩戴隐形眼镜 吗 ?
来自互联网
- 5. Astigmatism can occur in addition to nearsightedness and farsightedness.
- 散光可发生在除近视和远视.
来自互联网
