Analysis of the effects of intraocular lens edge design on dysphotopsia for pseudophakic patients

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Chinese Optics Letters, Volume. 3, Issue 0s, 164(2005)

[in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]², [in Chinese]², and [in Chinese]²

Author Affiliations

¹School of Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094

²ABLE Eye Device CO. Ltd., Zhengzhou 450001

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The dysphotopia that is connected to the reflection of light from the intraocular lens (IOL) edge is analyzed. A new IOL with 'Sigma' edge is investigated, and other three IOLs are also studied for comparison. The interaction of rays as a function of edge design was evaluated in an experimental model of the pseudophakic eye using the ray-tracing program of ZEMAX software (Focus Software, Inc.). The results show the rays crossing the edges of IOLs form an image with the shape of a partial ring or thin arc in the periphery of the retina, the potential of the 'Sigma' edge to lower dysphotopsia for pseudophakic patients is promising.

Keywords

170.4460 220.2740 170.3880

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Analysis of the effects of intraocular lens edge design on dysphotopsia for pseudophakic patients[J]. Chinese Optics Letters, 2005, 3(0s): 164

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Paper Information

Received: --

Accepted: --

Published Online: Mar. 5, 2007

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Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology