散光

他们有所谓散光。

They have what is called astigmatism .

散光可同时发生在近视和远视。

Astigmatism can occur in addition to nearsightedness and farsightedness .

用散光的方法来提取光源在Z轴上的位置。

Using astigmatic method to extract information of light source in z axis .

用激光散光法测有中心裂纹拉伸板的应力强度因子KⅠ

Measurement of Mode I Stress Intensity Factors of Central Crack Sheets by Scattered-Light Photoelasticity

有压缩力的C形板层角膜移植术：一种治疗周边角膜变性后严重散光的手术方法

Compressive C - shaped lamellar keratoplasty : A surgical alternative for the management of severe astigmatism from peripheral corneal degeneration

B组：42眼散光为逆规性，切口选在颞侧透明角膜。

42 eyes with preoperative Against-The-Rule ( ATR ) astigmatism were assigned to temporal clear corneal incision ( Group B ) .

CCD相机的杂散光模拟计算与分析

Simulation and analysis of stray light in CCD camera

本文提出了用散光法测定撕开型裂纹应力强度因子KⅢ的原理和方法，并对带有单边直裂纹的长板条在反平面剪应力作用下的KⅢ进行了测定实验。

In this paper the method for determining SIF K ⅱ by using scattered light technique is suggested .

用散光法测定纯Ⅰ型和平面复合型裂纹的KI

Determination of SIF k_I for Mode I Cracks and Mixed Mode Plane Cracks by Using Scattered Light Technique

目的：研究近视眼患者的角膜偏心率（e值）及其与屈光度、角膜曲率、角膜散光之间的相互关联。

AIM : To investigate corneal eccentricity ( e value ) and its correlation with diopter , corneal curvature and corneal astigmatism .

Cs法拉第反常色散光学滤波应用于边缘滤波器特性分析

Theoretical Analysis of Characteristics of Cs Faraday Anomalous Dispersion Optical Filtering 's Use in Edge Filters

DWDM系统的零色散光纤光栅滤波器设计

Design of Fiber Bragg Grating Dispersionless Filters for DWDM Systems

LASIK手术治疗近视及近视散光围手术期护理

Perioperative nursing of patient for LASIK surgery for myopia and myopic astigmatism

LASIK矫治儿童高度复性近视散光性屈光参差

LASIK for anisometropia of high myopia and high myopic astigmatism in children

角膜平均散光度术后3个月与术前比较差异无统计学意义（P＞0.05），术中4眼出现后囊膜破裂（3.74%）。

Mean corneal astigmatism was not significantly different before surgery and at the3rd month after surgeries ( P > 0.05 ) . Posterior capsule rupture occurred in4 cases ( 3.74 % ) .

LASIK后散光的变化分析

Analysis of the variability of the astigmatism after LASIK

LASIK治疗近视散光的临床观察

Clinical observation of LASIK for myopia and myopic astigmatism

PK术后选择性的去除间断缝线以降低散光

Selective removal of interrupted sutures for the controls of post keratoplasty astigmatism

本文采用Faraday反常色散光学滤波器来实现微弱信号的提取。

To make all-day mode , we use the faraday anomalous dispersion optical filter .

应用角膜地形图评价PRK矫正近视散光的疗效

Results of PRK for correction of myopic astigmatism and topographical evaluation

浸没式ArF光刻中杂散光影响的研究

Study on Flare in ArF Immersion Lithography

结论应用小光斑扫瞄的激光机行LASIK治疗不同程度近视散光疗效确切。

Conclusion LASIK for correcting compound myopic astigmatism with a scanning spot excimer laser was effective .

PSD在应用过程中的关键问题是背景杂散光及暗电流的干扰影响。

The key problem of using PSD is to overcome the disturbance influence of background light and dark currents .

PRK与LASIK矫正近视性散光准确性及预测性的比较

Comparison of the accuracy and predictability between PRK and Lasik on correcting myopic astigmatism

术后1个月和3个月平均散光分别为（0.91±0.55）D和（0.83±0.57）D，与术前亦无统计学差异（P＞0.05）。

There was also no statistical difference between the mean preoperative astigmatism and postoperative astigmatism at one and three months , which were respectively ( 0.91 ± 0.55 ) D and ( 0.83 ± 0.57 ) D.

方法：应用德国视明（SCHWIND）公司第六代爱丽丝（ESIRIS）准分子激光治疗系统对35例（47眼）中高度散光进行LASIK手术治疗。

Methods : LASIK was performed on 47 eyes of 35 patients with medium and high astigmatism .

PRK矫正二次RK术后残留近视及散光

PRK for residual myopia and astigmatism after repeated PK

PRK治疗复性近视散光效果分析

PRK correction for compound myopic astigmatism

SSPA周边杂散光对响应度不均匀性的影响

Effect of the border stray light of SSPA on the photoresponse non-uniformity

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。

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