Impact of the physical properties of contact lens materials on the discomfort: role of the coefficient of friction

Costa, D.; De Matteis, V.; Treso, F.; Montani, G.; Martino, M.; Rinaldi, R.; Corrado, M.; Cascione, M.

doi:10.1016/j.colsurfb.2023.113630

Colloids and Surfaces B: Biointerfaces

2024

DOI: 10.1016/j.colsurfb.2023.113630

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Impact of the physical properties of contact lens materials on the discomfort: role of the coefficient of friction

D. Costa,

V. De Matteis,

F. Treso

et al.

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Cited by 3 publications

References 126 publications

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Low friction hydrogel with diclofenac eluting ability for dry eye therapeutic contact lenses

Silva,

Oliveira,

Marto-Costa

et al. 2025

Methods

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Low friction hydrogel with diclofenac eluting ability for dry eye therapeutic contact lenses

Silva,

Oliveira,

Marto-Costa

et al. 2025

Methods

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The Prevalence of Contact Lens Wear and Improper Use Among Students of Al-Baha University, Saudi Arabia

Bashir,

Alghamdi,

Ahmed

et al. 2024

TOOPHTJ

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Background This study aims to evaluate the knowledge and practice of contact lens wear (CLW) among Al-Baha University medical students. Methods A cross-sectional study was carried out using an online self-administered questionnaire via Google Forms. The questionnaire had three domains: sociodemographic characteristics of the participants, CLW hygiene practices, and CLW-related complications. Results A total of 432 students were enrolled. Almost half of them (203,47%) were CLs wearers. Almost half of the participants, 95 (46.8%), used CL for therapeutic and 108 (53.2%) cosmetic purposes. 81 (40%) wore their CLs for a duration of (1-10 hours/day), 149 (73.4%) did not sleep while wearing their CLs, 61 (30%) shared theirs with others, 110 (54.2%) washed their hands before putting on their CLs and 90 (44.2%) replaced their CL cleaning solution regularly. Only 10 (5%) of the participants did not experience any complications related to CLW, while 108(52.6%), 102 (50%), and 97 (47.8%) experienced dry eye, tears, and foreign body sensations, respectively. Moderate satisfaction of the users was reported. Conclusion The medical students at Al-Baha University showed a high CLW ratio and used CL predominantly for cosmetic reasons; both male and female students were very aware of hygienic practices, and moderate satisfaction, with moderate complications, was reported.

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Manufacture and Analysis of Ophthalmic Polymers including Gold Nanoparticles with Surface Modification Method

Park,

Shin,

Sung

2024

Korean. J. Mater. Res.

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In this study, the surfaces of two gold nanoparticles of different shapes were modified with hexadecyltrimethylammonium bromide (CTAB) and used for contact lenses. The polymer was based on 2-hydroxyethyl methacrylate (HEMA), and spherical and sea urchin-shaped gold nanoparticles were used as additives. CTAB was used to modify the surface of the sea urchin-shaped gold nanoparticles. To analyze the physical properties of the prepared contact lens, optical transmittance, refractive index, water content, contact angle, and atomic force microscope (AFM) were measured and evaluated. The results showed the nanoparticles did not significantly affect optical transmittance, refractive index, or water content of the lens, and tensile strength increased according to the ratio of the additive. The addition of the sea urchin-shaped nanoparticles resulted in lower wettability compared with the spherical nanoparticles, but somewhat superior tensile strength. In addition, it was found that the wettability of the lens was improved when the surface-modified sea urchin-shaped gold nanoparticles were added. The types of gold nanoparticles and surface modification methods used in this study are considered to have great potential for use in ophthalmic materials.

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Impact of the physical properties of contact lens materials on the discomfort: role of the coefficient of friction

Cited by 3 publications

References 126 publications

Low friction hydrogel with diclofenac eluting ability for dry eye therapeutic contact lenses

Low friction hydrogel with diclofenac eluting ability for dry eye therapeutic contact lenses

The Prevalence of Contact Lens Wear and Improper Use Among Students of Al-Baha University, Saudi Arabia

Manufacture and Analysis of Ophthalmic Polymers including Gold Nanoparticles with Surface Modification Method

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