Evaluation of the optical properties of two different types of soft contact lenses: hydrogel and silicone-hydrogel

A. M. Ionescu; A. Talaveron; J. C. Cardona; S. López; A. B. Rodríguez-Águila; J. Ruiz-López; M. M. Perez; R. Ghinea

doi:10.1117/12.2527421

3 October 2019 Evaluation of the optical properties of two different types of soft contact lenses: hydrogel and silicone-hydrogel

A. M. Ionescu, A. Talaveron, J. C. Cardona, S. López, A. B. Rodríguez-Águila, J. Ruiz-López, M. M. Perez, R. Ghinea

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Proceedings Volume 11207, Fourth International Conference on Applications of Optics and Photonics; 112071P (2019) https://doi.org/10.1117/12.2527421
Event: IV International Conference on Applications of Optics and Photonics (AOP 2019), 2019, Lisbon, Portugal

Abstract

The aim of this study is to benchmark the optical properties (transmittance, absorption and dispersion) of two different types of contact lenses (daily replacement hydrogel - Hioxifilcon A and monthly replacement silicone-hydrogel - Asmofilcon A) in the visible spectra using the IAD method. Lower transmittance, lower absorption and higher dispersion were found for daily replacement contact lenses - Hioxifilcon A - than for monthly replacement contact lenses - Asmofilcon A. As diopter powers increase for both type of lenses, transmittance and absorption decrease and dispersion increases, which may have implications on the visual performance of these contact lenses.

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A. M. Ionescu, A. Talaveron, J. C. Cardona, S. López, A. B. Rodríguez-Águila, J. Ruiz-López, M. M. Perez, and R. Ghinea "Evaluation of the optical properties of two different types of soft contact lenses: hydrogel and silicone-hydrogel", Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112071P (3 October 2019); https://doi.org/10.1117/12.2527421

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KEYWORDS

Contact lenses

Lenses

Absorption

Transmittance

Optical properties

Silicon

Reflectivity

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