At this point, all the hard work of the design is complete. The attached file, “Human_Eye_Model.ZMX,” represents all the above work to this point.

The one thing left to do is to optimize the design by going to Tools|Optimization|Optimization and then clicking the Automatic button.

After some time, ZEMAX will finish optimizing and you’ll be left with an interesting, free-form, Progressive Addition Lens (PAL):



The MTF curves and Diffraction Images for our newly-optimized system’s three configurations are shown below in order from Far to Near: