Custom design of aspherical RGP contact lens

Chuan Hu; Yiyu Li; Jiaojie Chen; Yuanyuan Wang; Siyun Chen; Hao Chen

doi:10.1117/12.971171

16 October 2012 Custom design of aspherical RGP contact lens

Chuan Hu, Yiyu Li, Jiaojie Chen, Yuanyuan Wang, Siyun Chen, Hao Chen

Proceedings Volume 8416, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 841617 (2012) https://doi.org/10.1117/12.971171
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

There are several techniques to measure the precise structure parameters of human eye in vivo. The design methods and match of ophthalmic lens should be developed to accompany with the rapidly growing vision demands. We present a method to design custom aspherical RGP CL(rigid gas permeable contact lens) which corrects high-order aberration of RGP lens and human eye. We did the design by optimizing the aberration of the model consisting of Liou’s model eye and RGP CL, the aspherical surface was placed on the front surface and damped least-squares methods were used for the optimization. The lens designed could be manufactured in normal conditions and the wavefront aberration was reduced to get much better vision experience. It might be one important way of custom design and match of RGP CL.

Citation Download Citation

Chuan Hu, Yiyu Li, Jiaojie Chen, Yuanyuan Wang, Siyun Chen, and Hao Chen "Custom design of aspherical RGP contact lens", Proc. SPIE 8416, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 841617 (16 October 2012); https://doi.org/10.1117/12.971171

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KEYWORDS

Eye

Eye models

Wavefront aberrations

Lens design

Visualization

Gradient-index optics

Visual process modeling

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