目的探讨儿童混合性散光的屈光演变规律。
Objective To assess trends in refractive error changes in children with mixed astigmatism.
目的：探讨LASIK治疗混合性散光的安全性和有效性。
Objective: to investigate the effectiveness and safety of laser in-situ keratomileusis (LASIK) for mixed astigmatism.
导致弱视的主要原因是：复性远视散光、远视、混合性散光、屈光参差。
The Main reason that leads to amblyopia is compound hyperopic astigmatism, hyperopia , mixed astigmatism and antimetorpia.
目的分析准分子激光原位角膜磨镶术（LASIK）近视性屈光参差及混合性散光的临床疗效。
Objective To analyse the curative effect of excimer laser-in-situ keratomileusis(LASIK) for myopia anisometropia and mixed astigmatism.
但两组术后随着时间推移，手术源性散光逐渐减少，且巩膜电凝组平均手术源性散光小于非电凝组。
But the surgery induced astigmatism decreased step by step postoperatively, and the SIA in cautery group was even smaller than the control group.
模型有较强的通用性，适用于传统仅矫正屈光不正(近视、远视、散光)的光学区模型，也适用于波前像差引导的激光眼屈光手术。
The model not only can be applied to the correction of refractive errors such as myopia and astigmatism, but also can be used in wavefront guided laser refractive surgery.
分析角膜散光和全眼散光的相关性以及近视程度与散光的关系。
The relation between astigmatism and the degree of myopia was also analyzed.
与传统角巩膜缘切口比较，术中眼压维持稳定，术后手术性角膜散光度数小。
Tunnel incision can make the surgery process easier and induce corneal astigmatism smaller.
传统的大切口白内障囊外摘出术常造成较大的手术源性角膜散光，影响复明效果。
The traditional large incision extracapsular cataract extraction surgery often caused a surgically induced corneal astigmatism which had great impact on fuming effect.
目的：比较穿透性角膜移植术与深板层角膜内皮移植术在术后免疫排斥反应、内皮细胞及散光度数的差异。
PURPOSE: To compare the postoperative graft rejection, endothelial cell density and astigmatism of deep lamellar keratoplasty (DLK) with penetrating keratoplasty (PK) on rabbits.
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。
The selective suture removal and running suture adjustment postoperatively are effective in decreasing astigmatism.
光学系统的杂散光极易在系统内形成多个鬼像，这不仅严重影响光束质量和传输特性，并可能对系统光学元件造成永久性损伤。
Stray light generated in optical system forms a lot of ghost images, which not only seriously influence the beam quality and propagation properties, but also damage optical components.
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.
角膜表面规则性指数(SRI)与角膜表面非对称性指数(SAI)呈正相关，而且近视眼的散光度与其屈光度、SAI呈正相关。
The surface regularity index (SRI) was positively correlated with surface asymmetry index (SAI), and the astigmatism was positively correlated with dioptre and SAI in myopia.
采用随机选取和有针对性选取“散光”被试的方法，分别在两个实验组对个体的空间视敏度和时间视敏度进行测试。
In two teams, with random_groups design and specialized_groups design method, the experiment tests the subjects space visual acuity and horary visual acuity.
指出在散光散斑技术中，使用白激光器有很大的优越性。
It is pointed out that the white light laser has its advantages when speckle technique is used.
离散光电成像系统因其不再具有平移不变特性，它的调制传递函数测试具有相当的复杂性和不稳定性。
The measurement of modulation transfer function (MTF) of the sampled imaging optoelectronic system is rather complex and irrepeatable for their shift-variant characteristics.
目的为证实斜轴散光会引起光学性旋转隐斜。
Objective To investigate the relationship between oblique astigmatism and refractive cyclophoria.
目的：评价准分子激光屈光性角膜切削术治疗放射状角膜切开术后残余近视散光的预测性、稳定性和安全性。
Objective:To evaluate the predictability, stability and safety of excimer laser photorefractive keratectomy (PRK) for correcting the residual myopia and astigmatism after keratotomy (RK).
结果：正常瞳孔下电脑验光和散瞳下检影验光得到的屈光度和散光轴向相同或极其相似，统计学处理无显著性差异（P>0.05）；
RESULTS: The results of diopter and astigmatic axis by retinoscopy and computer optometry were same or similar, with no significant difference(P>0.05).
从理论上分析了象散光学系统产生象平面全息图的可能性，并在实验上得到证实。
Possibility of producing image-plane holograms of astigmatic system is analyzed theoretically, and verified experimentally.
这取决于实验测量的图像与以散焦和散光的特定值产生的模拟图像的相似性比较。
This is dependent upon comparison of the similarity of an experimentally measured image with simulated images which have been generated with particular values for defocusing and astigmatism.
光学系统的杂散光极易在系统内形成多个鬼像 ，这不仅严重影响光束质量和传输特性 ，并可能对系统光学元件造成永久性损伤。
Stray light generated in multi-pass amplification forms a lot of ghost images, which not only seriously influence the Laser beam quality and propagation p rope.
结果屈光不正性弱视的散光类型以复合远视散光最多（30．1％），其次为复合近视散光（24．4％）和混合散光（18．3％）。
Rusults As to the type of ametropia amblyopia in the 312 eyes, compound hyperopia astigmatism is the most(30.1%), then is compound myopia astigmatism(24.4%) and mix astigmatism(18.3%).
结论双眼的全眼和角膜散光在轴向方面都具有同质性，并且具有对称或近似对称趋势。
Conclusion the total astigmatism axis and the binocular astigmatism axis of cornea have the characteristic of homogeneity, also the trend of symmetry.
针对气象部门提供的FY-2C卫星云图中午夜杂散光较严重的情况，分析了特定噪声区域的产生原因，并为同型号卫星星载扫描辐射计的改进提供参考性建议。
The reasons of specifically noisy area were analyzed in some bad imaging quality nephograms offered by weather department. Some suggestions are given for betterment of the ima…
针对气象部门提供的FY-2C卫星云图中午夜杂散光较严重的情况，分析了特定噪声区域的产生原因，并为同型号卫星星载扫描辐射计的改进提供参考性建议。
The reasons of specifically noisy area were analyzed in some bad imaging quality nephograms offered by weather department. Some suggestions are given for betterment of the ima…
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