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

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2004 (1)

D. R. Nixon, J. Cataract Refract Surg 30, 2574 (2004).

2003 (1)

A. Franchini, B. Zamma, and E. Vaccari, J. Cataract Refract Surg 29, 342 (2003).

2002 (1)

W. Buehl, O. Findl, J. Akura, and T. Nagata, J. Cataract Refract Surg 28, 1105 (2002).

2001 (2)

J. C. Erie, M. H. Bandhauer, and V. Portney, J. Cataract Refract Surg 27, 614 (2001).

M. F. Ellis, J. Cataract Refract Surg 27, 1061 (2001).

2000 (3)

O. Nishi, K. Nishi, and K. Wickstrom, J. Cataract Refract Surg 26, 1543 (2000).

R. Tester, N. L. Pace, M. Samore, and R. J. Olson, J. Cataract Refract Surg 26, 810 (2000).

A. J. Kruger, J. Schauersberger, C. Abela, G. Schild, and M. Amon, J. Cataract Refract Surg 26, 566 (2000).

1999 (2)

J. M. Marcantonio and G. F. Vrensen, Eye 13, 484 (1999).

J. T. Holladay, A. Lang, and V. Portney, J. Cataract Refract Surg 25, 748 (1999).

1993 (1)

S. Masket, E. Geraghy, and A. S. Crandall, J. Cataract Refract Surg 19, 690 (1993).

Eye (1)

J. M. Marcantonio and G. F. Vrensen, Eye 13, 484 (1999).

J. Cataract Refract Surg (10)

J. T. Holladay, A. Lang, and V. Portney, J. Cataract Refract Surg 25, 748 (1999).

O. Nishi, K. Nishi, and K. Wickstrom, J. Cataract Refract Surg 26, 1543 (2000).

M. F. Ellis, J. Cataract Refract Surg 27, 1061 (2001).

W. Buehl, O. Findl, J. Akura, and T. Nagata, J. Cataract Refract Surg 28, 1105 (2002).

D. R. Nixon, J. Cataract Refract Surg 30, 2574 (2004).

R. Tester, N. L. Pace, M. Samore, and R. J. Olson, J. Cataract Refract Surg 26, 810 (2000).

A. J. Kruger, J. Schauersberger, C. Abela, G. Schild, and M. Amon, J. Cataract Refract Surg 26, 566 (2000).

J. C. Erie, M. H. Bandhauer, and V. Portney, J. Cataract Refract Surg 27, 614 (2001).

S. Masket, E. Geraghy, and A. S. Crandall, J. Cataract Refract Surg 19, 690 (1993).

A. Franchini, B. Zamma, and E. Vaccari, J. Cataract Refract Surg 29, 342 (2003).

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