Abstract

Recent versions of the International Organization for Standardization (ISO)-based model eye for intraocular lens testing include an artificial cornea whose spherical aberration is chosen to match the value of a human cornea. Aspheric lenses have been used as artificial corneas, but they are expensive and difficult to manufacture. This Letter demonstrates that the aspheric lens can be advantageously replaced with a simple biconvex spherical lens of the same focal length and similar wavefront error. A linear dependence is shown between the Coddington shape factor of the spherical lens and the value of the induced spherical aberration. This relationship is used to match the wavefront error of the spherical lens to the one produced by the aspheric lens. A modified ISO model eye, containing this alternative spherical lens as the artificial cornea, is proposed for the on-axis optical assessment of intraocular lenses. Its suitability for off-axis testing is discussed.

© 2010 Optical Society of America

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2009

S. Pieh, W. Fiala, A. Malz, and W. Stork, Invest. Ophthalmol. Visual Sci. 50, 1264 (2009).
[CrossRef]

W. Maxwell, S. Lane, and F. Zhou, J. Cataract Refractive Surg. 35, 166 (2009).
[CrossRef]

2008

S. Norrby, J. Cataract Refractive Surg. 34, 1056 (2008).
[CrossRef]

2007

2005

L. Wang, R. Santaella, M. Booth, and D. Koch, J. Cataract Refractive Surg. 31, 1512 (2005).
[CrossRef]

2004

2003

L. Wang, E. Dai, D. Koch, and A. Nathoo, J. Cataract Refractive Surg. 29, 1514 (2003).
[CrossRef]

2002

J. Holladay, P. Piers, G. Koranyi, M. van der Mooren, and S. Norrby, J. Refract. Surg. 18, 683 (2002).

2000

1998

Artal, P.

Booth, M.

L. Wang, R. Santaella, M. Booth, and D. Koch, J. Cataract Refractive Surg. 31, 1512 (2005).
[CrossRef]

Campbell, Ch.

Dai, E.

L. Wang, E. Dai, D. Koch, and A. Nathoo, J. Cataract Refractive Surg. 29, 1514 (2003).
[CrossRef]

Delisle, C. A.

Fiala, W.

S. Pieh, W. Fiala, A. Malz, and W. Stork, Invest. Ophthalmol. Visual Sci. 50, 1264 (2009).
[CrossRef]

Guirao, A.

Hazra, L.

Holladay, J.

J. Holladay, P. Piers, G. Koranyi, M. van der Mooren, and S. Norrby, J. Refract. Surg. 18, 683 (2002).

Koch, D.

L. Wang, R. Santaella, M. Booth, and D. Koch, J. Cataract Refractive Surg. 31, 1512 (2005).
[CrossRef]

L. Wang, E. Dai, D. Koch, and A. Nathoo, J. Cataract Refractive Surg. 29, 1514 (2003).
[CrossRef]

Koranyi, G.

J. Holladay, P. Piers, G. Koranyi, M. van der Mooren, and S. Norrby, J. Refract. Surg. 18, 683 (2002).

Lane, S.

W. Maxwell, S. Lane, and F. Zhou, J. Cataract Refractive Surg. 35, 166 (2009).
[CrossRef]

Malz, A.

S. Pieh, W. Fiala, A. Malz, and W. Stork, Invest. Ophthalmol. Visual Sci. 50, 1264 (2009).
[CrossRef]

Maxwell, W.

W. Maxwell, S. Lane, and F. Zhou, J. Cataract Refractive Surg. 35, 166 (2009).
[CrossRef]

Mester, U.

Nathoo, A.

L. Wang, E. Dai, D. Koch, and A. Nathoo, J. Cataract Refractive Surg. 29, 1514 (2003).
[CrossRef]

Norrby, S.

S. Norrby, J. Cataract Refractive Surg. 34, 1056 (2008).
[CrossRef]

S. Norrby, P. Piers, Ch. Campbell, and M. van der Mooren, Appl. Opt. 46, 6595 (2007).
[CrossRef]

P. Piers, S. Norrby, and U. Mester, Opt. Lett. 29, 733 (2004).
[CrossRef]

J. Holladay, P. Piers, G. Koranyi, M. van der Mooren, and S. Norrby, J. Refract. Surg. 18, 683 (2002).

Pieh, S.

S. Pieh, W. Fiala, A. Malz, and W. Stork, Invest. Ophthalmol. Visual Sci. 50, 1264 (2009).
[CrossRef]

Piers, P.

Redondo, M.

Santaella, R.

L. Wang, R. Santaella, M. Booth, and D. Koch, J. Cataract Refractive Surg. 31, 1512 (2005).
[CrossRef]

Stork, W.

S. Pieh, W. Fiala, A. Malz, and W. Stork, Invest. Ophthalmol. Visual Sci. 50, 1264 (2009).
[CrossRef]

Tabernero, J.

van der Mooren, M.

S. Norrby, P. Piers, Ch. Campbell, and M. van der Mooren, Appl. Opt. 46, 6595 (2007).
[CrossRef]

J. Holladay, P. Piers, G. Koranyi, M. van der Mooren, and S. Norrby, J. Refract. Surg. 18, 683 (2002).

Wang, L.

L. Wang, R. Santaella, M. Booth, and D. Koch, J. Cataract Refractive Surg. 31, 1512 (2005).
[CrossRef]

L. Wang, E. Dai, D. Koch, and A. Nathoo, J. Cataract Refractive Surg. 29, 1514 (2003).
[CrossRef]

Zhou, F.

W. Maxwell, S. Lane, and F. Zhou, J. Cataract Refractive Surg. 35, 166 (2009).
[CrossRef]

Appl. Opt.

Invest. Ophthalmol. Visual Sci.

S. Pieh, W. Fiala, A. Malz, and W. Stork, Invest. Ophthalmol. Visual Sci. 50, 1264 (2009).
[CrossRef]

J. Cataract Refractive Surg.

W. Maxwell, S. Lane, and F. Zhou, J. Cataract Refractive Surg. 35, 166 (2009).
[CrossRef]

L. Wang, R. Santaella, M. Booth, and D. Koch, J. Cataract Refractive Surg. 31, 1512 (2005).
[CrossRef]

S. Norrby, J. Cataract Refractive Surg. 34, 1056 (2008).
[CrossRef]

L. Wang, E. Dai, D. Koch, and A. Nathoo, J. Cataract Refractive Surg. 29, 1514 (2003).
[CrossRef]

J. Opt. Soc. Am. A

J. Refract. Surg.

J. Holladay, P. Piers, G. Koranyi, M. van der Mooren, and S. Norrby, J. Refract. Surg. 18, 683 (2002).

Opt. Lett.

Other

International Organization for Standardization (ISO), ISO 11979-2 Ophthalmic Implants, Intraocular Lenses Part 2: Optical Properties and Test Methods (ISO, 1999).

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