A more integrated theory of design and analysis has been established for the sake of developing the condensing lens type large aperture Frensnel lens.
建立了一套较完整的大口径聚光镜型菲涅耳透镜设计和分析理论。
Objective To investigate the surgical method and clinical effect of surgery for primary retinal detachment under indirect ophthalmoscope with no hand-held condensing lens.
目的探讨无手持聚光透镜间接检眼镜下进行原发性(孔源性)视网膜脱离复位手术的方法及其效果。
Objective To investigate the surgical method and clinical effect of surgery for primary retinal detachment under indirect ophthalmoscope with no hand-held condensing lens.
目的探讨无手持聚光透镜间接检眼镜下进行原发性(孔源性)视网膜脱离复位手术的方法及其效果。
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