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Hernandez VM, Cabot F, Ruggeri M, et al. Calculation of crystalline lens power using a modification of the Bennett method. Biomed Opt Express. 2015;6(11):4501-15doi: 10.1364/BOE.6.004501.
Hernandez, V. M., Cabot, F., Ruggeri, M., de Freitas, C., Ho, A., Yoo, S., Parel, J. M., & Manns, F. (2015). Calculation of crystalline lens power using a modification of the Bennett method. Biomedical optics express, 6(11), 4501-15. https://doi.org/10.1364/BOE.6.004501
Hernandez, Victor M, et al. "Calculation of crystalline lens power using a modification of the Bennett method." Biomedical optics express vol. 6,11 (2015): 4501-15. doi: https://doi.org/10.1364/BOE.6.004501
Hernandez VM, Cabot F, Ruggeri M, de Freitas C, Ho A, Yoo S, Parel JM, Manns F. Calculation of crystalline lens power using a modification of the Bennett method. Biomed Opt Express. 2015 Oct 21;6(11):4501-15. doi: 10.1364/BOE.6.004501. eCollection 2015 Nov 01. PMID: 26601013; PMCID: PMC4646557.
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Biomed Opt Express. 2015 Oct 21;6(11):4501-15. doi: 10.1364/BOE.6.004501. eCollection 2015 Nov 01.

Calculation of crystalline lens power using a modification of the Bennett method.

Biomedical optics express

Victor M Hernandez, Florence Cabot, Marco Ruggeri, Carolina de Freitas, Arthur Ho, Sonia Yoo, Jean-Marie Parel, Fabrice Manns

Affiliations

  1. Ophthalmic Biophysics Center and University of Miami Miller School of Medicine, Miami, FL, USA ; Biomedical Optics and Laser Laboratory, Department of Biomedical Engineering, University of Miami College of Engineering, Coral Gables, FL, USA.
  2. Ophthalmic Biophysics Center and University of Miami Miller School of Medicine, Miami, FL, USA ; Anne Bates Leach Eye Hospital, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA.
  3. Ophthalmic Biophysics Center and University of Miami Miller School of Medicine, Miami, FL, USA.
  4. Ophthalmic Biophysics Center and University of Miami Miller School of Medicine, Miami, FL, USA ; Biomedical Optics and Laser Laboratory, Department of Biomedical Engineering, University of Miami College of Engineering, Coral Gables, FL, USA ; Vision Cooperative Research Centre, Sydney, NSW, Australia ; School of Optometry and Vision Science, University of New South Wales, Sydney, NSW, Australia.
  5. Ophthalmic Biophysics Center and University of Miami Miller School of Medicine, Miami, FL, USA ; Anne Bates Leach Eye Hospital, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA ; Vision Cooperative Research Centre, Sydney, NSW, Australia.

PMID: 26601013 PMCID: PMC4646557 DOI: 10.1364/BOE.6.004501

Abstract

We present a method for measuring lens power from extended depth OCT biometry, corneal topography, and refraction using an improvement on the Bennett method. A reduced eye model was used to derive a formula for lens power in terms of ocular distances, corneal power, and objective spherical equivalent refraction. An error analysis shows that the formula predicts relaxed lens power with a theoretical accuracy of ± 0.5 D for refractive error ranging from -10 D to + 10 D. The formula was used to calculate lens power in 16 eyes of 8 human subjects. Mean lens power was 24.3 D ± 1.7 D.

Keywords: (170.4500) Optical coherence tomography; (170.4580) Optical diagnostics for medicine; (330.7325) Visual optics, metrology; (330.7326) Visual optics, modeling

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