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.)).
雙語例句
1. Maybe you fall asleep in class because of uncorrected astigmatism.
也許你在課堂上睡覺是因?yàn)槟愕难劬ι⒐?
來自《簡明英漢詞典》
2. They have what is called astigmatism.
他們有所謂散光.
來自辭典例句
3. Under astigmatism even narrow parallel light beams will not combine into one point.
有象散存在時(shí)甚至很窄的平行光束都不能會(huì)聚在一點(diǎn).
來自辭典例句
4. Have the nearsighted patient of astigmatism, can you adorn invisible glasses?
患有散光的近視患者, 能佩戴隱形眼鏡 嗎 ?
來自互聯(lián)網(wǎng)
5. Astigmatism can occur in addition to nearsightedness and farsightedness.