condensing lens

基本解释

Objective To investigate the surgical method and clinical effect of surgery for primary retinal detachment under indirect ophthalmoscope with no hand-held condensing lens.
目的探討無手持聚光透鏡間接檢眼鏡下進行原發性（孔源性）眡網膜脫離複位手術的方法及其傚果。
A central axis is set at the loophole in the center of the circular-arc condensing lens and the bottom of each condensing lens is connected to an end of the flange by a plurality of link bars;
在圓弧形狀的聚光鏡片的中心環孔処設置中心軸，數個連接杆將每個聚光鏡片的底部與法蘭磐的一耑連接；
The Fresnel lens collector has much notable feature with ultra-thin, low cost, high condensing rate and easy-to-batch production. Also it can improve the distribution of light intensity heterogeneity.
本文制作的菲涅耳透鏡聚光器具有超薄、成本低、聚光倍率高以及易於批量化生産等顯著特點。