Measure the refraction, the corneal culture, the far and near vision when the correcting lens were wore.
测定术后患者的屈光状态及角膜曲率,并经主觉验光后配戴远用矫正镜测定远近视力并记录。
The one-dimensional Fresnel zone phase correcting principle can be applied in a cylindrical surface to constructed a new type of point source feeding lens antenna.
在圆柱面上进行一维菲涅尔区相位修正结构设计,可以构成一类新型的点源馈电透镜天线。
A method is developed for correcting the accuracy of non rotating and aspherical lens by controlling the pressure of the polishing die during computer controlled optical surfacing (CCOS).
为提高自由曲面型面加工精度,提出了在计算机控制光学表面成型工艺中基于压力控制的抛光修正方法。
A method is developed for correcting the accuracy of non rotating and aspherical lens by controlling the pressure of the polishing die during computer controlled optical surfacing (CCOS).
为提高自由曲面型面加工精度,提出了在计算机控制光学表面成型工艺中基于压力控制的抛光修正方法。
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