Through focus point spread function and modulus transfer function for multifocal lenses

Paige Sawyers; Jim Schwiegerling

doi:10.1117/12.2632772

Through focus point spread function and modulus transfer function for multifocal lenses

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A system for measuring the through-focus point spread function (PSF) for intra-ocular lenses (IOLs) and converting to modulation transfer function (MTF) is developed. The system consists of a light source, eye model, IOL, magnifier, and CCD camera. By capturing the resulting image through a range of focus positions, the PSF is found and converted to MTF. The MTF displays differences in the depth of focus for monofocal, multifocal, and extended depth of focus (EDOF) IOLs. As multifocal and EDOF IOLs evolve, using the MTF to predict the image quality is vital to implanting the most appropriate lens in the patient's eyes.

Original language	English (US)
Title of host publication	Current Developments in Lens Design and Optical Engineering XXIII
Editors	R. Barry Johnson, Virendra N. Mahajan, Simon Thibault, Alfonso Padilla-Vivanco
Publisher	SPIE
ISBN (Electronic)	9781510654181
DOIs	https://doi.org/10.1117/12.2632772
State	Published - 2022
Event	Current Developments in Lens Design and Optical Engineering XXIII 2022 - San Diego, United States Duration: Aug 23 2022 → Aug 24 2022

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	12217
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Current Developments in Lens Design and Optical Engineering XXIII 2022
Country/Territory	United States
City	San Diego
Period	8/23/22 → 8/24/22

Keywords

image processing
Intraocular lenses
modulation transfer function
multifocal lenses

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.2632772

Cite this

Sawyers, P., & Schwiegerling, J. (2022). Through focus point spread function and modulus transfer function for multifocal lenses. In R. B. Johnson, V. N. Mahajan, S. Thibault, & A. Padilla-Vivanco (Eds.), Current Developments in Lens Design and Optical Engineering XXIII Article 1221703 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12217). SPIE. https://doi.org/10.1117/12.2632772

Through focus point spread function and modulus transfer function for multifocal lenses. / Sawyers, Paige; Schwiegerling, Jim.
Current Developments in Lens Design and Optical Engineering XXIII. ed. / R. Barry Johnson; Virendra N. Mahajan; Simon Thibault; Alfonso Padilla-Vivanco. SPIE, 2022. 1221703 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12217).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sawyers, P & Schwiegerling, J 2022, Through focus point spread function and modulus transfer function for multifocal lenses. in RB Johnson, VN Mahajan, S Thibault & A Padilla-Vivanco (eds), Current Developments in Lens Design and Optical Engineering XXIII., 1221703, Proceedings of SPIE - The International Society for Optical Engineering, vol. 12217, SPIE, Current Developments in Lens Design and Optical Engineering XXIII 2022, San Diego, United States, 8/23/22. https://doi.org/10.1117/12.2632772

Sawyers P, Schwiegerling J. Through focus point spread function and modulus transfer function for multifocal lenses. In Johnson RB, Mahajan VN, Thibault S, Padilla-Vivanco A, editors, Current Developments in Lens Design and Optical Engineering XXIII. SPIE. 2022. 1221703. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2632772

Sawyers, Paige ; Schwiegerling, Jim. / Through focus point spread function and modulus transfer function for multifocal lenses. Current Developments in Lens Design and Optical Engineering XXIII. editor / R. Barry Johnson ; Virendra N. Mahajan ; Simon Thibault ; Alfonso Padilla-Vivanco. SPIE, 2022. (Proceedings of SPIE - The International Society for Optical Engineering).

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Through focus point spread function and modulus transfer function for multifocal lenses

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

Access to Document

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