astigmatism[ə'stiɡmətizəm]n.1.■【眼科学】散光[亦作 astigmia]2.■【光学】像散性；像散现象3.■不正确的判断；歪曲的理解；因偏差而造成的曲解(或错判)
astigmatismastigmatism[æsˈtiɡmətizəm]n.1.■散光, 乱视2.■【物】象散(性, 现象)
[əˈstɪgmətɪz(ə)m]
noun
- [mass noun]a defect in the eye or in a lens caused by a deviation from spherical curvature, which results in distorted images, as light rays are prevented from meeting at a common focus
散光
astigmatic
[astɪgˈmatɪk]
adjective
语源
- mid 19th cent.: from a- 'without' + Greek stigma 'point' + -ism
astigmatism
名词 astigmatism:
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
同义词：astigmia
(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：astigmia
astigmatism
■The brief introduction of AZD Portable safe astigmatism charge working lamps
AZD型便携式安全散光充电照明作业灯
■PRK for residual myopia and astigmatism after repeated PK
PRK矫正二次RK术后残留近视及散光
■hyperopic compound astigmatism
[医] 复性远视散光
■Generally, the curtains made of materials such as fabrics unique to the strong sunlight into enough, the soft astigmatism, for those undersized, inadequate lighting rooms.
一般来说，镂空织物等材料做成的窗帘，可把强烈的阳光分成纤细、柔和的散光，适合那些矮小、光线不足的房间。
■Seven children (1.82%) were refractive amblyopic, for which high hyperopia, astigmatism or anisometropia were the main causes.
七位学童(1.89%)有屈光性弱视，其中远视，散光及不等视是主要因素。
■Compared with the stigmatic lens,the astigmatism gives rise to a shift of the position of on-axis maximum intensity,and reduces the intensity at the real focal point.
与没有像散情况比较,像散使部分相干光轴上最大光强的位置移动,导致实际焦点的光强减小。
■It appeared that with the sutureless technique the surgical induced astigmatism was much less when compared with the traditional sutured procedure.
为加速术后视力恢彼，选择手术切口于前角膜弧度最陡之轴位应是较合理之选择。
■The pair of prisms can affect the stability and astigmatism besides the dispersion compensation, so the optics transmission matrix is deduced to eliminate them.
为研究起色散补偿作用的棱镜对对腔的稳定性和像散带来的影响, 导出了棱镜对的光传输矩阵。
■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。
■Perhaps in the eyes acetify on some astigmatism, and this appears to have no major advantages that some lots still much to do.
也许，专注得眼睛发酸，有些散光，这才发现有些看来并无特大优势的地段，仍大有文章可做。
■Corneal astigmatism following posterior chamber intraocular lens implantation
人工晶状体植入术后角膜散光
■Clinical observation on corneal astigmatism after intraocular lens implantation
人工晶状体植入术后角膜散光的临床观察
■They have what is called astigmatism.
他们有所谓散光。
■His findings would proide the groundwork for new understanding about astigmatism in children and in older age.
他的研究结果将会为人们对儿童和老年人的散光形成机制的新理解奠定基础。
■These factors include preexisting corneal astigmatism, corneal diameter, corneal elasticity, the extent of the pterygium and surgical trauma.
会影响角膜乱视的因素包括：旣有的角膜乱视、角膜直径与弹性、翼状赘片的生长范围、切除时对角膜的伤害等。
■The sensor can do comparatively precise measurement on the aberration of defocus, astigmatism and so on, with error rates less than 1.
传感器对于离焦，像散等像差模式都可以进行较为准确的测量，误差率都小于1。
■How severe was your shortsightedness? Did you have Astigmatism?
你原本近视几度，有散光吗?
■You have astigmatism.
你有散光。
■astigmatism and curvature of the field
像散和像面弯曲
■Trends in refractive error changes in children with mixed astigmatism
儿童混合性散光的屈光演变规律
■Keywords against-the-rule astigmatism;amblyopia/therapy;anisometropia;
关键词逆规散光;弱视/治疗;屈光参差;
■The excimer laser refractive surgical instrument can be used to correct myopia,hyperopia,astigmatism diopter.
准分子激光眼科治疗机可以用来进行近视、远视、散光等屈光不正的矫正手术。
■For almost a century, eye exercises have been promoted as a way to strengthen vision and ease nearsightedness and astigmatism, much like exercise for the body trims fat and improves health.
几乎近一个世纪，眼球运动被当作是一种加强视力、缓解近视眼和闪光的一种方法，就象是为了减肥和改善健康状况的身体锻炼。
■The characteristics and geometric rules of military optics astigmatism is analysed.Its mathematical model is built by computational geometry lofting surface method.
分析了军用光学系统像散的特征及其几何规律，运用计算几何模线曲面的方法建立了像散的数学模型。
■KRONISH J W, FORSTER R K. Control of corneal astigmatism following cataract extractoin by selective suture cutting[J]. Arch Ophthalmol, 1987,105:1650.
刘平,闫海,王新.小切口无缝线非超声乳化白内障摘除术的临床观察[J].中国实用眼科杂志,2002,8:597.
■dynamic lenticular astigmatism
动态性晶状体性散光
■The majority of mixed astigmatic eyes changed into myopic astigmatism after 3 years.
动物人工角膜散光可诱发低度近视屈光，与对照眼比较差异有极显著意义。
■Studies on the beam quality and astigmatism of a semiconductor laser
半导体激光光束质量与像散特性的研究
■hyperopic astigmatism, simple
单纯性远视散光
■Half the amount of cylinder power(astigmatism) is added algebraically to the sphere power，and this yields the resulting spherical equivalent power.
即用球面镜光度与一半柱镜光度(散光)的代数和，计算结果就是等效球面的光度。
■against-the-rule astigmatism
反常像散
■astigmatism against the rule
反规性散光 不正常像散
■Possible complications of LASIK include undercorrection, overcorrection, and irregular astigmatism.
可能的并发症包括欠娇，过矫，和不规则散光，这些条件可能会发生。
■homologous symmetrical astigmatism
同轴对称性散光
■When beam wavefront correctors of adaptive optics are used for intracavity aberration compensation, the correction for astigmatism aberration should be performed at first.
因此在进行腔内像差校正时，应优先考虑此类像差的校正。
■More attentions of oculists have been paid to reduce the corneal astigmatism to the lowest after surgery.
因此如何将白内障术后的角膜散光减小到最小程度,引起了眼科医师的广泛重视。
■The light rays will focus either in front of or behind the retina resulting in "refractive errors" such as nearsightedness farsightedness and astigmatism.
在光线的重点不是在前面或后面的视网膜，在“屈光不正，如近视，远视和散光”造成的。
■myopic astigmatism, compound
复性近视散光
■compound hypermetropic astigmatism
复性远视散光
■Astigmatism compensation in arm of a complex ring cavity
复杂环形腔的象散分臂补偿
■Spot Astigmatism of Large Screen Color Picture Tube
大屏幕彩色显像管光点像散分析
■The electron gun for a large screen color picture tube generally employs quadrupole lens, so that the landing spot with positive astigmatism can cancel the negative astigmatism from the deflection magnetic field in certain sense.
大屏幕彩色显像管电子枪通常采用非轴对称四极透镜 ,其目的是形成一定正像散的着屏光点以抵消偏转磁场产生的负像散。
■LASIK eye surgery may be an option for you if you have nearsightedness (myopia), farsightedness (hyperopia) or astigmatism.
如果你有近视、远视、或者散光，LASIK眼科手术是种选择。
■Define the following term： astigmatism, binocular vision, focal length, lens accommodation, optic disk, papillary constriction, retinal field, visual field.
定义以下专有名词：散光、双眼视觉、焦距、晶体适应度、视神经盘、瞳孔收缩、网膜视野、视野。
■Glasses could correct the majority of vision problems encountered in the developing world, reducing the impact of presbyopia, myopia, hyperopia, and astigmatism.
对发展中国家而言，眼镜能矫正多数视觉障碍，减少老花眼、近视、远视与散光的冲击。
■In the control group,astigmatism has influence on the contrast sensitivity only in 18 CPD.
对照组仅在18CPD 时受影响。
■People with a high degree of farsightedness along with astigmatism have less predictable results.
对远视兼散光的人手术后结果的预期较少。
■Does child astigmatism add myopic need to wear an eye?
小孩散光加近视需要戴眼睛吗?
■Child eye astigmatism can cure,
小孩眼睛散光能治好么
■Keywords ametropia;astigmatism;axises;angle;
屈光不正;散光;轴位;夹角;