PT Journal AU Sieber, I Li, L Gengenbach, U Beckert, E Steinkopf, R Yi, AY TI Optical performance simulation of free-form optics for an eye implant based on a measurement data enhanced model SO Applied optics PY 2016 BP 6671 EP 6679 VL 55 IS 24 DI 10.1364/AO.55.006671 LA english ER