iol emulation apparatus the iol emulation apparatus consists of tower 1 an examination chair 2 a a viewport 3 which houses a reflective field mirror 4 and optional camera 4 a and an operator control terminal 5 the patient 1 a undergoing vision testing with iol emulator is seated in the examination chair seat 8 which is adjusted to place the patient 39 s eyes within the desired examination position noted by box 9 images are generated by optical elements in the wavefront generator 10 and directed to a field mirror 4 in the viewport 3 where they are reflected to the patient 39 s eyes located within the desired examination position 9 behind the patient rear cabinet 1 houses a computer a power supply and other specialty electronics to control the wavefront generators 10 images projected from the wavefront generators are reflected by field mirror 4 and viewed by the patient seated in the exam chair 8 fig4 shows a perspective view of the examination chair 2 a of the iol emulator that is located adjacent and forward of the vertical tower 1 and it is preferentially mechanically isolated from the tower 1 so that patient movements in the chair are not transmitted to the components in the tower the examination chair has a seat portion 8 the position of which is adjustable through motor means located in the base of the chair 11 that may be made responsive to the system computer the seat back has a head rest 12 that may be adjustable through manual or by automatic means made responsive to the system computer optional head restraint not shown may be deployed from the underside of optical.