Abstract

A two-element null lens, optimized for a 20-diopter silicone intraocular lens (IOL), was designed and tested. The performance of the null lens was examined for silicone IOL’s with in situ powers from 16 to 24 diopters. Improvements in resolution, resolution efficiency, and modulation transfer function were obtained over the tested power range.

© 2000 Optical Society of America

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  1. The mention of commercial products, their sources, or their use in connection with material reported in this paper is not to be construed as an actual or implied endorsement of these products by the Food and Drug Administration or the U.S. Department of Health and Human Services.
  2. American National Standards Institute, American National Standard for Ophthalmics—Intraocular Lenses (American National Standards Institute, New York, 1994).
  3. N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
    [CrossRef] [PubMed]
  4. L. W. Grossman, D. A. Igel, R. W. Faaland, “Survey of the optical quality of intraocular lens implants,” J. Cataract Refract. Surg. 17, 168–174 (1991).
    [CrossRef] [PubMed]
  5. R. W. Faaland, L. W. Grossman, D. A. Igel, “Optical quality testing of monofocal intraocular lens implants with a 3 mm and a 4 mm aperture,” J. Cataract Refract. Surg. 17, 485–490 (1991).
    [CrossRef] [PubMed]
  6. R. W. Faaland, L. W. Grossman, “Optical performance of decentered monofocal intraocular lenses,” J. Cataract Refract. Surg. 18, 286–292 (1992).
    [CrossRef] [PubMed]
  7. L. W. Grossman, R. W. Faaland, “Minimum resolution specification of intraocular lens implants using the modulation transfer function,” Appl. Opt. 32, 3497–3503 (1993).
    [CrossRef] [PubMed]
  8. N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
    [CrossRef] [PubMed]
  9. D. D. Koch, S. W. Samuelson, R. Vilarreal, E. A. Haft, T. Kohnen, “Changes in pupil size induced by phacoemulsification and posterior chamber lens implantation: consequences for multifocal lenses,” J. Cataract Refract. Surg. 22, 579–584 (1996).
    [CrossRef] [PubMed]
  10. N. E. S. Norrby, “Standardized methods for assessing the imaging quality of intraocular lenses,” Appl. Opt. 34, 7327–7333 (1995).
    [CrossRef] [PubMed]
  11. D. A. Atchison, “Optical design of low index intraocular lenses,” J. Cataract Refract. Surg. 17, 292–300 (1991).
    [CrossRef] [PubMed]
  12. D. A. Atchison, “Optical design of intraocular lenses. I. On-axis performance,” Optom. Vision Sci. 66, 492–506 (1989).
    [CrossRef]

1998 (1)

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

1996 (2)

D. D. Koch, S. W. Samuelson, R. Vilarreal, E. A. Haft, T. Kohnen, “Changes in pupil size induced by phacoemulsification and posterior chamber lens implantation: consequences for multifocal lenses,” J. Cataract Refract. Surg. 22, 579–584 (1996).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

1995 (1)

1993 (1)

1992 (1)

R. W. Faaland, L. W. Grossman, “Optical performance of decentered monofocal intraocular lenses,” J. Cataract Refract. Surg. 18, 286–292 (1992).
[CrossRef] [PubMed]

1991 (3)

L. W. Grossman, D. A. Igel, R. W. Faaland, “Survey of the optical quality of intraocular lens implants,” J. Cataract Refract. Surg. 17, 168–174 (1991).
[CrossRef] [PubMed]

R. W. Faaland, L. W. Grossman, D. A. Igel, “Optical quality testing of monofocal intraocular lens implants with a 3 mm and a 4 mm aperture,” J. Cataract Refract. Surg. 17, 485–490 (1991).
[CrossRef] [PubMed]

D. A. Atchison, “Optical design of low index intraocular lenses,” J. Cataract Refract. Surg. 17, 292–300 (1991).
[CrossRef] [PubMed]

1989 (1)

D. A. Atchison, “Optical design of intraocular lenses. I. On-axis performance,” Optom. Vision Sci. 66, 492–506 (1989).
[CrossRef]

Atchison, D. A.

D. A. Atchison, “Optical design of low index intraocular lenses,” J. Cataract Refract. Surg. 17, 292–300 (1991).
[CrossRef] [PubMed]

D. A. Atchison, “Optical design of intraocular lenses. I. On-axis performance,” Optom. Vision Sci. 66, 492–506 (1989).
[CrossRef]

Faaland, R. W.

L. W. Grossman, R. W. Faaland, “Minimum resolution specification of intraocular lens implants using the modulation transfer function,” Appl. Opt. 32, 3497–3503 (1993).
[CrossRef] [PubMed]

R. W. Faaland, L. W. Grossman, “Optical performance of decentered monofocal intraocular lenses,” J. Cataract Refract. Surg. 18, 286–292 (1992).
[CrossRef] [PubMed]

L. W. Grossman, D. A. Igel, R. W. Faaland, “Survey of the optical quality of intraocular lens implants,” J. Cataract Refract. Surg. 17, 168–174 (1991).
[CrossRef] [PubMed]

R. W. Faaland, L. W. Grossman, D. A. Igel, “Optical quality testing of monofocal intraocular lens implants with a 3 mm and a 4 mm aperture,” J. Cataract Refract. Surg. 17, 485–490 (1991).
[CrossRef] [PubMed]

Geraghty, E. P.

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

Grossman, L. W.

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

L. W. Grossman, R. W. Faaland, “Minimum resolution specification of intraocular lens implants using the modulation transfer function,” Appl. Opt. 32, 3497–3503 (1993).
[CrossRef] [PubMed]

R. W. Faaland, L. W. Grossman, “Optical performance of decentered monofocal intraocular lenses,” J. Cataract Refract. Surg. 18, 286–292 (1992).
[CrossRef] [PubMed]

L. W. Grossman, D. A. Igel, R. W. Faaland, “Survey of the optical quality of intraocular lens implants,” J. Cataract Refract. Surg. 17, 168–174 (1991).
[CrossRef] [PubMed]

R. W. Faaland, L. W. Grossman, D. A. Igel, “Optical quality testing of monofocal intraocular lens implants with a 3 mm and a 4 mm aperture,” J. Cataract Refract. Surg. 17, 485–490 (1991).
[CrossRef] [PubMed]

Haft, E. A.

D. D. Koch, S. W. Samuelson, R. Vilarreal, E. A. Haft, T. Kohnen, “Changes in pupil size induced by phacoemulsification and posterior chamber lens implantation: consequences for multifocal lenses,” J. Cataract Refract. Surg. 22, 579–584 (1996).
[CrossRef] [PubMed]

Igel, D. A.

R. W. Faaland, L. W. Grossman, D. A. Igel, “Optical quality testing of monofocal intraocular lens implants with a 3 mm and a 4 mm aperture,” J. Cataract Refract. Surg. 17, 485–490 (1991).
[CrossRef] [PubMed]

L. W. Grossman, D. A. Igel, R. W. Faaland, “Survey of the optical quality of intraocular lens implants,” J. Cataract Refract. Surg. 17, 168–174 (1991).
[CrossRef] [PubMed]

Koch, D. D.

D. D. Koch, S. W. Samuelson, R. Vilarreal, E. A. Haft, T. Kohnen, “Changes in pupil size induced by phacoemulsification and posterior chamber lens implantation: consequences for multifocal lenses,” J. Cataract Refract. Surg. 22, 579–584 (1996).
[CrossRef] [PubMed]

Kohnen, T.

D. D. Koch, S. W. Samuelson, R. Vilarreal, E. A. Haft, T. Kohnen, “Changes in pupil size induced by phacoemulsification and posterior chamber lens implantation: consequences for multifocal lenses,” J. Cataract Refract. Surg. 22, 579–584 (1996).
[CrossRef] [PubMed]

Kreiner, C. F.

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

Mihori, M.

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

Norrby, N. E. S.

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

N. E. S. Norrby, “Standardized methods for assessing the imaging quality of intraocular lenses,” Appl. Opt. 34, 7327–7333 (1995).
[CrossRef] [PubMed]

Patel, A. S.

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

Portney, V.

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

Samuelson, S. W.

D. D. Koch, S. W. Samuelson, R. Vilarreal, E. A. Haft, T. Kohnen, “Changes in pupil size induced by phacoemulsification and posterior chamber lens implantation: consequences for multifocal lenses,” J. Cataract Refract. Surg. 22, 579–584 (1996).
[CrossRef] [PubMed]

Silberman, D. M.

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

Vilarreal, R.

D. D. Koch, S. W. Samuelson, R. Vilarreal, E. A. Haft, T. Kohnen, “Changes in pupil size induced by phacoemulsification and posterior chamber lens implantation: consequences for multifocal lenses,” J. Cataract Refract. Surg. 22, 579–584 (1996).
[CrossRef] [PubMed]

Appl. Opt. (2)

J. Cataract Refract. Surg. (7)

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Accuracy in determining intraocular lens dioptric power assessed by interlaboratory tests,” J. Cataract Refract. Surg. 22, 983–993 (1996).
[CrossRef] [PubMed]

L. W. Grossman, D. A. Igel, R. W. Faaland, “Survey of the optical quality of intraocular lens implants,” J. Cataract Refract. Surg. 17, 168–174 (1991).
[CrossRef] [PubMed]

R. W. Faaland, L. W. Grossman, D. A. Igel, “Optical quality testing of monofocal intraocular lens implants with a 3 mm and a 4 mm aperture,” J. Cataract Refract. Surg. 17, 485–490 (1991).
[CrossRef] [PubMed]

R. W. Faaland, L. W. Grossman, “Optical performance of decentered monofocal intraocular lenses,” J. Cataract Refract. Surg. 18, 286–292 (1992).
[CrossRef] [PubMed]

N. E. S. Norrby, L. W. Grossman, E. P. Geraghty, C. F. Kreiner, M. Mihori, A. S. Patel, V. Portney, D. M. Silberman, “Determining the imaging quality of intraocular lenses,” J. Cataract Refract. Surg. 24, 703–714 (1998).
[CrossRef] [PubMed]

D. D. Koch, S. W. Samuelson, R. Vilarreal, E. A. Haft, T. Kohnen, “Changes in pupil size induced by phacoemulsification and posterior chamber lens implantation: consequences for multifocal lenses,” J. Cataract Refract. Surg. 22, 579–584 (1996).
[CrossRef] [PubMed]

D. A. Atchison, “Optical design of low index intraocular lenses,” J. Cataract Refract. Surg. 17, 292–300 (1991).
[CrossRef] [PubMed]

Optom. Vision Sci. (1)

D. A. Atchison, “Optical design of intraocular lenses. I. On-axis performance,” Optom. Vision Sci. 66, 492–506 (1989).
[CrossRef]

Other (2)

The mention of commercial products, their sources, or their use in connection with material reported in this paper is not to be construed as an actual or implied endorsement of these products by the Food and Drug Administration or the U.S. Department of Health and Human Services.

American National Standards Institute, American National Standard for Ophthalmics—Intraocular Lenses (American National Standards Institute, New York, 1994).

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Figures (8)

Fig. 1
Fig. 1

Ray-trace diagram illustrating the two-element null lens and the 20-diopter silicone IOL.

Fig. 2
Fig. 2

Mean measured resolution versus the labeled power. Each data point represents the mean of six measurements.

Fig. 3
Fig. 3

Standard deviation of resolution measurements versus the labeled power. Each data point represents six measurements.

Fig. 4
Fig. 4

Mean lens power measured with the null lens minus the mean lens power measured without the null lens versus the labeled power. Each data point represents six measurements with and without the null lens. For the 18-diopter lens, identical results were obtained for both lenses.

Fig. 5
Fig. 5

Standard deviation of measured power versus the labeled power. Each data point represents six measurements.

Fig. 6
Fig. 6

MTF curve for one 20-diopter silicone IOL. The diffraction-limited response of an ideal 20-diopter lens is shown as a solid curve.

Fig. 7
Fig. 7

MTF at 100 cycles/mm versus the labeled power.

Fig. 8
Fig. 8

Ray-trace calculated Seidel coefficients describing the residual third-order aberration present with equibiconvex silicone IOL’s of 16-, 18-, 20-, 22-, and 24-diopter in situ power when used with and without the null lens or with a wet cell.

Tables (1)

Tables Icon

Table 1 Design Specifications for Two-Element Null Lens and 20-Diopter Silicone IOLa

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