No statistic difference was found in refractive status, i. e. spherical, cylindrical and spherical equivalent degree among three groups;
屈光状态，即球镜度数、柱镜度数、等效球镜三组差异无统计学意义；
Objective: To evaluate the effect of long term complete occlusion therapy on children with hyperopic amblyopia and the changes in refractive status.
目的：探讨在弱视的治疗中，长期的完全遮盖疗法对弱视儿童屈光状态的影响。
Objective To explore the distribution regularity of refractive status of children and adolescents with low vision, to early detection and treatment of refractive integrity.
目的探讨视力低常青少年儿童屈光状态的分布规律，以便及早发现及治疗屈光不正。
The history and mechanism of negative refractive effects of photonic crystals are reviewed. The research progress and status are discussed. Finally, the application foreground is forecasted.
回顾了负折射介质的研究历史，综述了光子晶体负折射效应的物理机制、研究进展以及目前的主要研究方向，展望了光子晶体负折射效应的应用前景。
The history and mechanism of negative refractive effects of photonic crystals are reviewed. The research progress and status are discussed. Finally, the application foreground is forecasted.
回顾了负折射介质的研究历史，综述了光子晶体负折射效应的物理机制、研究进展以及目前的主要研究方向，展望了光子晶体负折射效应的应用前景。
应用推荐