Yue Wei, Yang Xiubin, Xu Tingting, Han Jinliang, Wang Shaoen. Paraxial Optical Imaging Analysis of Corneal Adaptation of Direct Contact Device[J]. Chinese Journal of Lasers, 2020, 47(12): 1207005
- Chinese Journal of Lasers
- Vol. 47, Issue 12, 1207005 (2020)
Fig. 1. Eye optical structure
Fig. 2. Imaging calculation model of corneal wearing corneal contact lens. (a) Schematic diagram of object image position; (b) ray tracing process
Fig. 3. Virtual images of corneal contact lenses with different refractive indexes. (a) Overall image distribution; (b) local enlarged view of corneal contact lens, cornea, and virtual image; (c) magnified view of virtual images with different refractive indexes
Fig. 4. 2D diagram of optical system
Fig. 5. MTF curve image
Fig. 6. Seidel aberration diagram of optical imaging system
Fig. 7. Two-dimensional diagram of optical system with contact lens
Fig. 8. Comparison of MTF curves. (a) 0.04 mm (PMMA); (b) 0.05 mm (PMMA); (c) 0.06 mm (PMMA); (d) 0.04 mm (APL5014CL); (e) 0.05 mm (APL5014CL); (f) 0.06 mm (APL5014CL)
Fig. 9. Comparison of distortion and field curvature. (a) 0.04 mm (PMMA); (b) 0.05 mm (PMMA); (c) 0.06 mm (PMMA); (d) 0.04 mm (APL5014CL); (e) 0.05 mm (APL5014CL); (f) 0.06 mm (APL5014CL)
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Table 1. Parameters of ideal optical imaging
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Table 2. Parameters of initial structure of optical system
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Table 3. Optical properties of common optical materials
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Table 4. Parameters of corneal contact lens
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