Analysis of the effects of intraocular lens edge design on dysphotopsia for pseudophakic patients
Chinese Optics Letters, Vol. 3, Issue S1, pp. S164-S166 (2005)
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Abstract
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.
© 2005 Chinese Optics Letters
OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(220.2740) Optical design and fabrication : Geometric optical design
Citation
Meimei Kong, Zhishan Gao, Xinhua Li, Changzheng Huang, Ru Zhang, and Weihong Xiao, "Analysis of the effects of intraocular lens edge design on dysphotopsia for pseudophakic patients," Chin. Opt. Lett. 3, S164-S166 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-S1-S164
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