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Proceedings Paper

Variations of the optical properties of two types of contact lenses with dehydration
Author(s): A. M. Ionescu; S. López; J. C. Cardona; A. Talaveron; J. Ruiz-López; A. B. Rodríguez-Águila; M. M. Perez; R. Ghinea
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Paper Abstract

The aim of this study is to analyse the effect of dehydration of two contact lenses – LC - (daily replacement hydrogel - Hioxifilcon A and monthly replacement silicone-hydrogel - Asmofilcon A) on their optical properties (transmittance, absorption and dispersion). Significant differences were found between dehydration levels of Hioxifilcon A and Asmofilcon A contact lenses. Conventional hydrogel lenses dehydrate quickly, which leads to a greater alteration of their optical properties. For both materials, with dehydration reflectance increases due to scattering within the material and transmittance decreases due to increased absorption. These changes are more noticeable for daily LCs of conventional hydrogel.

Paper Details

Date Published: 3 October 2019
PDF: 11 pages
Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112071Q (3 October 2019);
Show Author Affiliations
A. M. Ionescu, Univ. de Granada (Spain)
S. López, Univ. de Granada (Spain)
J. C. Cardona, Univ. de Granada (Spain)
A. Talaveron, Univ. de Granada (Spain)
J. Ruiz-López, Univ. de Granada (Spain)
A. B. Rodríguez-Águila, Univ. de Granada (Spain)
M. M. Perez, Univ. de Granada (Spain)
R. Ghinea, Univ. de Granada (Spain)


Published in SPIE Proceedings Vol. 11207:
Fourth International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. M. Martins Costa, Editor(s)

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