Abstract: In order to solve the problems of tedious data transmission among multi-software and slow optimization in designing the lens for uniformity with extended sources,according to the sequential ray tracing, Fresnel formula and luminance compensation, we proposed a rapid optimization method by using only one software, Matlab. The method can closely combine ray tracing, illumination fitting and feedback optimization.What is more, we can optimize the lighting system fast and accurately. In order to verify the feasibility of the system, we designed a compact uniform lens of which the h/d is equal to 2.5:1. The results show after giving parameters of the source and target plane, the system optimization time is only 8 min;the uniformity and efficiency in the target plane significantly improve by 86.75% and 88.42%,respectively.