astigmia

听听怎么读

英 [æs'tɪgmɪə]

美 [æs'tɪgmɪr]

是什么意思

散光；

英英释义

astigmia[ ə'stiɡmiə ]

n.
- (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
  同义词：astigmatism
- (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
  同义词：astigmatism

学习怎么用

双语例句

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。

权威例句

astigmia
astigmia
Astigmia correcting eyeglasses
ASTIGMIA CORRECTING EYEGLASSES
Correction of Low Astigmia.
Residual astigmia and the bitoric lens.
Espasmos de acomodación y astigmia cristaliniana
SUBJECTIVE METHODS IN DETERMINING THE AXIS POSITION OF A CYLINDER IN CORRECTING ASTIGMIA
The astigmic lens (crossed cylinder) to determine the amount and principal meridians of astigmia
Functional relationship between myopia, accommodative stress and against-the-rule astigmia: A hypothesis.

a开头的单词