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- The structure, affecting factors and measurement methods of ocular wavefront aberration were presented. 对人眼波面象差的构成特征、影响因素以及测量方法进行了讨论。
- Wavefront aberration of both eyes were measured and compared at preoperation, 1 week, 1 month and 3 months postoperation. 术前、术后1周、1月、3月进行双眼波阵面像差的检测和分析。
- The corneal flap making of this operation had no significant effect on the results of wavefront aberration of right and left eyes. 该手术角膜瓣制作方式对左右眼术后3个月时波阵面像差结果无明显差异。
- Discribing the history and present conditions of wavefront aberration techniques in order to evaluate it s clinical value. 通过描述波阵面像差技术发展的历史及现状来评估其临床应用价值。
- The relative study progress of the application of wavefront aberration technique in visual function is discussed in the review. 本文就近年来波阵面像差技术在人眼视功能研究中的应用进展进行阐述。
- Abstract: Through spectral analysis method, a theoretical analysis of wavefront aberration is made in intense laser system. 摘 要: 采用频域分段的方法,对强激光系统的波前畸变进行了理论分析;
- Digital laser plane interferometer is used to measure the surface of optical components and the wavefront aberration of non-confocal optical system. 数字式激光平面干涉仪是用于测量光学元件面形和无焦光学系统波像差的光学仪器。
- The purpose of the project is to introduce the concept of wavefront aberration and to evaluate its techniques and clinical applications. 介绍波阵面像差技术的基本概念、评价方法及临床应用。
- The hyperacuity eye model is upbuildt by analyzing the visual resolving power of the human eye and the wavefront aberration of the eye model. 通过人眼极限分辨能力和人眼模型波像差的分析提出了超视力人眼模型。
- Based on the wavefront aberration,a technique expressed by Zernike s circle polynomials was developed to test and separate the unsymmetrical error of null lens. 研究了一种测量、分离补偿法检测补偿器非圆对称误差的技术,这种技术基于波面误差可用泽尼克圆多项式来表述。
- The data were analyzed by SPSS 12.0.Results The amount of wavefront aberration degradation after surgery decreased with an increase in the ablation zone ( from 5.5 mm to 7.0 mm). 结果随着切除区的增大(5.;5~7
- Objective: To analyze the relationship between the change of corneal topography and wavefront aberration and visual quality after LASIK (laser in situ keratomileusis). 目的:探讨标准LASIK术后角膜地形图、波阵面像差改变与视觉质量的关系。
- Objective Investigate dynamic changes in wavefront aberration by comparing the preand postoperative aberration of patients with horizontal strabismus surgery. 摘要目的观察并分析水平斜视矫正术前、后眼波前像差的动态变化。
- To reach this goal,a composite of examinations combining contrast sensitivity,glare test and wavefront aberration assessments with traditional unaided visual acuity and corrected visual acuity,allows a comprehensive evaluation on the effect of correction. 传统的裸眼视力、矫正视力仅能反映视觉质量的一个方面 ,临床上越来越多地应用对比敏感度、眩光测试、角膜地形图等方法 ,特别是近几年来像差分析逐渐开展 ,可较全面解释屈光矫正的效果。
- Excimer laser aberration correction system includes two parts: wavefront aberration measurement using subjective aberrometer WFA 1000 and wavefront aberration correction using excimer laser system. 准分子激光人眼像差矫正系统包括主观式像差仪进行波前像差的测量、准分子激光系统进行像差矫正两大部分。
- On the whole,under mesopic state with original pupil size,accommodation can be neglected during the wavefront aberration measurement of the lower order iwht the Asclepion Shack-Hartmann aberrometer. 应用Asclepion波前像差仪测量眼的低阶像差 ,调节通常可以忽略 ,检查可在原瞳暗视状态下进行而无需药物散瞳。
- The experimental results show that the excimer laser refractive system is characteristic of short cure time, high accuracy, surface smoothness and easy to integrate the wavefront aberration technology. 实验结果表明,该矫正系统具有治疗时间短、矫正精度高、角膜切削表面光滑,易于集成波前像差技术实现“个体化切削”方案等优点,具有较好的临床应用前景。
- According to relation between fringe Zernike coefficients and Seidel aberration,wavefront aberration in the exit pupil of optical system is instead with fringe Zernike coefficient. 利用条纹泽尼克系数与赛德尔像差的关系,在三反镜光学系统的出瞳面上,用条纹泽尼克系数来表示系统的波像差。
- Excimer laser aberration correction system includes two parts: wavefront aberration measurement using subjective aberrometer and wavefront aberration correction using excimer laser system. 准分子激光人眼像差矫正系统包括主观式像差仪进行波前像差的测量、准分子激光系统进行像差矫正两大部分。
- The wavefronts are reconstructed by the results of the measured wavefront gradient, and the wavefront aberration is obviously shown. 应用模式法,通过孔径斜率进行了波前重构,结果表明热射流使波前产生较强的随机畸变。