Objective To study the influence factors of myopic degree ( spherical equivalent refraction) by counting the datum of each index before excimer laser refractive surgery. 目的通过统计行准分子激光屈光手术的患者术前检查的各项手术指标数据,分析其屈光状态,从而探讨影响近视度数(等值球镜度数)的因素。
Equivalent index-atmosphere correction formula for astro-refraction 等效指数大气天文折射的改正公式
Equivalent Index of Refraction in Free Electron Laser 自由电子激光中的等效折射率
Conclusion The length of axis, corneal refractive power, lens thickness, anterior chamber depth and age have certain effect on the spherical equivalent refraction. 与角膜厚度、眼压无明显的相关性。结论眼轴长度、角膜屈光力、晶状体厚度、前房深度和年龄对近视度数(等值球镜度数)均有一定的影响。
The specific research contents and conclusions of this paper include the following aspects: ( 1) Research on the transmissivity of the equivalent negative refraction photonic crystal composed of a triangular array of air holes. 具体的研究内容及研究成果包括以下几个方面:(1)具有等效负折射效应的二维三角形排列光子晶体透射谱研究。
This paper focuses on the investigation of the resonance excitation, equivalent negative refraction, optical gain of the two-dimensional photonic crystal and the application of equivalent negative refraction photonic crystal in target detection and imaging system. 本文主要对二维光子晶体的共振激发、等效负折射、光增益特性及等效负折射光子晶体在目标探测成像中的应用进行了重点研究。