The Design of Astigmatic Lenses by ZEMAX Optical Software

This paper studies the design of astigmatic eyeglass lens by using even aspheric toroidal surface and the multi-configuration in ZEMAX optic software. Making a human eye model with astigmatism and the multi-configurations are defined at three distances which are far and middle and near, 10.0(superscript +09)mm and 1000mm and 500mm respectively, according to the human eye structure with three different view angles. The designing result of 1.00D(X: -1.00D Y: +0.00D) astigmatic eyeglass lens can largely correct astigmatism and the MTF (Modulation Transfer Function) is 0.3 at 30 lp/mm spatial frequency.