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22 October 2010 Custom aspherical ophthalmic lens design
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The Liou's model eye is close to anatomical, biometric and optical realities, and is effective in predicting the optical performance. An efficient approach for designing of ophthalmic lenses by regarding ophthalmic lens and Liou's model eye as a single optical system, based on optimization of aspherical surface coefficients is presented. The wavefront aberration and diopter are taken into consideration, the traditional damped least-squares methods are chosen with the high order aspherical equations being used. The appearance of the lens designed is improved obviously than the spherical ones and the fabricating is not complicated; the optical performances are controlled in an acceptable range. With the help of the structure parameters of a single eye ball obtained, custom-design ophthalmic lens is workable which might be a direction of lens design in the future.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chuan Hu, Yiyu Li, Yuanyuan Wang, and Haihua Feng "Custom aspherical ophthalmic lens design", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76583C (22 October 2010);


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