Measure the refraction, the corneal culture, the far and near vision when the correctinglens 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。
2
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。
3
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).