astigmatism

astigmatism怎么读

英式音标：[əˈstɪgmətɪzəm]

美式音标：[əˈstɪɡməˌtɪzəm]

astigmatism基本解释

n. [眼科] 散光；[光][电子] 像散性；[光][电子] 像散现象

astigmatism的意思释义

n.

散光；

英英释义

n.

(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用法及例句

双语例句

用作名词(n.)

They have what is called astigmatism.

他们有所谓散光。

Astigmatic dials are targets used for the detection and correction of astigmatism.

散光盘是用于辅助检测并矫正散光的视标。

例句参考

Evaluating and reporting astigmatism for individual and aggregate data.

Oblique (off-axis) astigmatism of the reduced schematic eye with elliptical refracting surface.

Foldable toric intraocular lens for astigmatism correction in cataract patients

Laser in situ keratomileusis for moderate and high myopia and myopic astigmatism

Power semiconductor laser with low divergence and low astigmatism, and method for the production thereof

Laser in situ keratomileusis for myopia from -5.50 to -11.50 diopters with astigmatism.

Laser in situ keratomileusis for myopia and astigmatism: safety and efficacy: a report by the American Academy of Ophthalmology

Deep lamellar endothelial keratoplasty visual acuity, astigmatism, and endothelial survival in a large prospective series.

Ocular optical aberrations after photorefractive keratectomy for myopia and myopic astigmatism

astigmatism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.)).

astigmatism相关例句

1. And these lenses do not correct serious astigmatism.

而且这种眼镜也无法矫正严重的散光。

2. When the cornea curves or flattens unevenly, the result is astigmatism, which disrupts focus of near and distant vision.

散光是当角膜变弯或者变平时表面不平坦，影响视近、视远时的聚焦。

3. Uncorrected cases of near-sightedness, far-sightedness and astigmatism are the leading cause of vision problems.

未及时矫正的近视，远视和散光是视觉问题的主要诱因。

5. 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。

6. 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。

7. LASIK (laser in-situ keratomileusis) is the most common laser surgery for correcting nearsightedness (myopia) and astigmatism.

LASIK（激光原位角膜磨镶术）手术是较常用于纠正近视和散光的一种激光手术。

8. astigmatism: distorted vision resulting from an irregularly curved cornea, the clear covering of the eyeball.

散光：因角膜（覆盖眼球的一层透明膜）不规则弯曲而引起的影象变形。

13. Using the information obtained from these tests, your optometrist can determine if you have astigmatism.

通过这些检测所得到的数据，验光师就可以判断你是否患有散光。

14. With the increasing progress of cataract surgery, the postoperative residual astigmatism has become one of the factors that influences the desirable refractive outcome for patient.

随着白内障手术的日臻完美，术后残留散光逐渐成为影响患者获得理想屈光状态的主要原因之一。

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15. Objective:To investigate the changes of corneal astigmatism after trabeculectomy and analyse the causes.

目的：观察小梁切除术后角膜散光的变化，并分析其原因。

16. ObjectiveTo evaluate the resistence to IOP and astigmatism of scleral and corneal incision, and observe the occurrence of iris prolapse during operation.

目的对白内障手术巩膜角膜切口术中虹膜脱出、术后耐受眼内压的强度及散光进行评价。

17. Eye problem. Congenital amblyopia. Long sight adds astigmatism.

眼睛问题。先天性弱视。远视加散光。

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18. Astigmatism frequently occurs with other vision conditions like nearsightedness (myopia) and farsightedness (hyperopia).

散光和近视还有远视一样，都是常见的眼部疾病。

19. The selective suture removal and running suture adjustment postoperatively are effective in decreasing astigmatism.

观察术后选择性拆线及连续缝线调整技术降低散光的作用。

21. Objective To investigate the relationship between the development of trichiasis and astigmatism in children, and the proper time for its treatment through plastic surgery.

目的通过对儿童倒睫合并散光病例的筛查和随访，探讨倒睫与散光的相关性，及整复手术治疗的时机。

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22. Doctor:Well, you have acute nearsightedness and astigmatism.

嗯，你有点儿近视和散光。

23. His findings would provide 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。

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24. 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。

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25. Objective To investigate distribution rules in preschool children, the main type, degree and axis of astigmatism.

目的探讨学龄前儿童散光的类型、程度及轴向分布情况。

26. Objective To find the causes of astigmatism after simple myopic surgery of PRK and LASIK and its variation.

目的探讨PRK与LASIK治疗单纯性近视术后产生散光的原因及变化规律。

27. To evaluate differences on astigmatism in corneal topography and mydriatic optometry.

目的观察角膜地形图仪与散瞳验光测得的散光差异。

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28. To evaluate differences on astigmatism in corneal topography and mydriatic optometry.

目的观察角膜地形图仪与散瞳验光测得的散光差异。

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29.compound lens or lens system designed to be free of astigmatism and able to form approximately point images.

没有散光并且能够形成近似的图像的透镜或透镜系统。

36.An eye abnormality, such as nearsightedness, farsightedness, or astigmatism, resulting from faulty refractive ability of the eye.

屈光不正因眼的折射力缺陷造成的一种不正常的情况，如近视、远视或散光

38.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。