Bo Dong, Ying Yang, Changxi Xue. Design and Optimization of Diffractive Multifocal Intraocular Lenses[J]. Acta Optica Sinica, 2023, 43(19): 1905003
- Acta Optica Sinica
- Vol. 43, Issue 19, 1905003 (2023)
Fig. 1. Multifocal diffractive optical element (DOE) design. (a) Diffraction efficiency distributions at three focal points (red: m=0; green: m=1; blue: m=2); (b) overall diffraction efficiency distribution; (c) a step height distribution of sub-region DOE
Fig. 2. Experimental simulation of IOL. (a) 3D image of IOL; (b) MTF comparison
Fig. 3. Design process
Fig. 4. Analysis of effect of aspheric substrate on diffraction performance
Fig. 5. Partial magnification of Fig. 4
Fig. 6. Analysis of effect of substrate diopter and aspheric synthetic factor on diffraction efficiency at different diffraction orders. (a) m=0; (b) m=1; (c) m=2
Fig. 7. Comparison of theoretical diffraction efficiency (TDE), actual diffraction efficiency (ADE), and optimized actual diffraction efficiency (ADEopt)
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Table 1. Design parameters and results of diffraction structure
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Table 2. Liou-Brennan human eye model
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Table 3. Design parameters of IOL implanted into human eye
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