Fig. 1. Cross-section profile of the effective optical zone of the optimized IOL.

Fig. 2. MTF of the pseudophakic model eye under a 3 mm pupil at nine object locations for (a) 0° FOV and (b) 5° FOV. The MTF values are the average of tangential and sagittal directions.

Fig. 3. Simulated 20/20 Snellen E optotypes of the model eye under a 3 mm pupil implanted with (a) the designed IOL and (b) a 22 D monofocal IOL for a 1.5 D object vergence.

Fig. 4. MTF at 50  c/mm of the pseudophakic model eye for 0° FOV as a function of the pupil diameter at five object locations.

Fig. 5. MTF of the pseudophakic model eye in polychromatic light for (a) 0° FOV and (b) 5° FOV at nine object locations under the 3 mm pupil. The MTF values are the average of tangential and sagittal directions.

Fig. 6. MTF of five pseudophakic model eyes with different corneal aspherical coefficients at (a) 25  c/mm and (b) 50  c/mm as a function of the object distance for a 3 mm pupil and 0° FOV. The aspherical coefficient of the designed model eye is −0.18.

Fig. 7. Profile of the manufactured double-zone aspheric diffractive IOL.

Fig. 8. Trioptics-OptiSpheric^® IOL equipment for the IOL testing according to the EN/ISO 11979 standard: (a) setup, (b) schematic.

Fig. 9. USAF test charts at several focal positions of the manufactured IOL for (a) a 3 mm pupil and (b) a 4.5 mm pupil obtained from the Trioptics-OptiSpheric^® IOL setup.

Fig. 10. MTF at several focal positions of the manufactured IOL for (a) a 3 mm pupil and (b) a 4.5 mm pupil obtained from the Trioptics-OptiSpheric^® IOL setup. The higher line in each image is the diffraction-limited MTF. The labeled values at the bottom of each image are the relative positions of the focal planes.

Fig. 11. Instrument of the Taylor Hobson^® Form Talysurf.

Fig. 12. IOL surface profile error obtained from the Taylor Hobson Form Talysurf (the surface sag of the manufactured IOL minus the surface sag of the designed IOL).

Fig. 13. Manufactured IOL profile obtained from the Olympus IX71 microscope (part of the IOL). The theoretical radial coordinates of the first, second, and third rings are r1 = 0.963291  mm, r2 = 1.659442  mm, and r3 = 1.739161  mm, respectively.

Table 1. Structural Parameters of the Model Eye

Table 2. Parameters of the Inner Zone (r≤A1) of the IOL Surfaces

Table 3. Parameters of the Outer Zone (A1

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Inner Zone of the IOL Anterior Surface Diffractive Phase Coefficients β11 −10.1338089 β12 −92.4055217 β13 235.7040698 β14 −152.264561 β15 −0.95913561

Table 4. Diffractive Phase Coefficients of the Inner Zone (r≤A1) of the IOL Anterior Surface

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Cycles (m) −1 −2 −3 Radius (mm) 0.963291 1.659442 1.739161

Table 5. Diffractive Rings of the Inner Zone (r≤A1) of the IOL Anterior Surface

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