Our present study was to investigate the corneal posterior surface topography in different clinical stages of keratoconus.
目的分析各期圆锥角膜后表面的形态特点，为完善圆锥角膜形态特点的描述提供参考。
Conclusion: the postoperative refractive error becomes more plus when the posterior surface of the lens is fused with silicone oil.
结论：术后患者的屈光度偏向正是由于晶体后表面被硅油融合后其屈光度的表现。
Summary of Background Data. There have been few reports of migration of cervical disc herniation to the posterior surface of the spinal canal.
背景资料概要：很少有颈椎间盘突出移位到椎管的后表面的报导。
The anterior surface of the lens is prolate, whereas the posterior surface of the lens is oblate which is consistent with the anatomical data.
在这个新的层状晶状体模型中，最外层前后表面的非球面系数与解剖学数据相符。
Using computer software, the authors constructed drill templates with a predefined trajectory designed to match the posterior surface of vertebrae C3-7.
借助电脑软件，笔者通过预先设计的根据第3 -7颈椎的后表面的轨线建立了打孔模板。
Supraependymal nerve fibers existed not only on the ciliated surface of hippocampal fimbria, but also in the middle and posterior surfaces of hippocampal body.
室管膜上神经纤维可存在于海马伞的多纤毛区，也可存在于海马体的少纤毛区。
The changes of posterior corneal power and posterior surface elevation in high myopia were significantly more than those of mild-moderate myopia after LASIK ( P< 0. 05 ).
高度近视组角膜后表面屈光力与角膜后表面隆起度改变量大于中低度近视组的改变量（P<0.05）。
Conclusions The normal parameters on pan corneal thickness and corneal shape of both anterior and posterior surface will provide much more useful informations in finding abnormal cornea.
结论了解正常人全角膜厚度、角膜高度形态及角膜前表面角膜屈率地形图将为诊断异常角膜提供依据。
Shapes of anterior and posterior surface altigraphs of cornea were clarified as central island type, mis-classification bridge type, regular bridge type, irregular bridge and unclassified type.
兔眼角膜前后表面高度图按形状可分为中央岛、不完全桥、规则桥、不规则桥及未分类型；
The posterior-septal pathways which can be successfully ablated in the coronary vein have certain characteristics in surface electrocardigram.
在冠状静脉内消融成功的后间隔旁道具有一些特定的体表心电图特征。
The device is posterior cutter grinding to drill in cone surface grinding method that it can vouch for drill with reasonable back Angle, and symmetry precision is high.
本装置采用圆锥表面磨法对钻头进行后面刃磨，可保证磨出的钻头具有合理的后角，对称精度高。
This is achieved in a variety of ways, but essentially involves creating a raised groove or area along the posterior border, on the fitting surface. This is often referred to as the postdam.
这可以通过多种方式达到，但基本上不外乎，在基托组织面沿后缘制作一个突起的沟或区域，这就是常提到的后堤。
When all vitreous traction is relieved and the posterior vitreous surface is excised, further growth of fibrovascular tissue from the retina is rare.
当解除全部玻璃体牵引并切除后玻璃面后，从视网膜再生出纤维血管组织是罕见的。
Objective: Stress levels of the surface of alveolar bone around bridge abutment of posterior fixed bridge were studied.
目的：研究下颌后牙固定桥基牙周围牙槽骨表面的应力状态。
Results:In LMWH group, reaction in anterior chamber, cellular reaction on IOL surface, degree of thickness on posterior capsule are much lighter than those in control after surgery (P<0.05).
结果：LMWH组手术后前房反应、IOL表面的细胞学反应、后囊膜混浊程度均较对照组为轻（P<0.05）。
To observe the clinical effect of operative treatment of calcaneus fracture involved posterior articular surface.
目的观察手术治疗累及后关节面的跟骨骨折效果。
Methods We collected 29 patients who wanted to do scaling, and examined the buccal or lingual surface of their posterior teeth with DD before and after scaling.
方法采用DD探测29例患者牙洁治前后颊、舌面的荧光值，分析不同的色斑计分等级对DD探测龋齿时的影响程度。
Objective: to investigate the changes in the posterior corneal surface topography after LASIK and the factors that influence the results.
目的：研究激光角膜原位磨镶术(LASIK)前后，角膜后表面屈光度及曲率半径的改变以及影响因素。
RESULTS: There were changes including adherence cells on the surface of the intraocular lenses, chronic inflammatory changes in iris and ciliary body and posterior capsular opacification.
结果：人工晶状体表面黏附炎性细胞，虹膜、睫状体组织慢性炎性改变，后囊形成混浊。
ObjectiveTo observe the biological characteristic of cells on the surface of posterior chamber intraocular lens (PC iol) after implantation.
目的研究后房型人工晶状体(PCIOL)植入术后晶状体表面细胞的生物学特性。
Objective To study the influence of excision of sacrum through the superior and inferior margins of the 1st to 3rd posterior sacral foramina on area of sacroiliac joint surface.
目的研究经第1~3骶后孔上、下缘水平切除骶骨对骶髂关节面面积的影响。
The radius of anterior and posterior corneal surface, central corneal thickness and Q value of anterior and posterior corneal surface are obtained.
测量了角膜屈光手术后人眼角膜前后表面的生理数据。
Conclusion:The posterior-septal pathways which can be successfully ablated in the coronary vein have certain characteristics in surface electrocardigram.
结论：在冠状静脉内消融成功的后间隔旁道具有一些特定的体表心电图特征。
Conclusion:The posterior-septal pathways which can be successfully ablated in the coronary vein have certain characteristics in surface electrocardigram.
结论：在冠状静脉内消融成功的后间隔旁道具有一些特定的体表心电图特征。
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