Preview

The EYE GLAZ

Advanced search

Modern trends in contact lens materials development

https://doi.org/10.33791/2222-4408-2019-3-40-45

Abstract

This article discusses modern approaches in the development and production of materials for contact lenses – rigid gas permeable and soft, including silicone-hydrogel. Special attention is paid to obtaining high Dk materials.

About the Author

Martin J. Conway
“Contamac Ltd.”
United Kingdom
Professional Services Manager, a fellow of The British Contact Lens Association (FBCLA) and The International Association of Contact Lens Educators (FIACLE)


References

1. Bambry R.E., Seelye D.E. Vinyl carbonate and vinyl carbamate contact lens material monomers. US Patent 5,070,215.

2. Cleaver C.S. A contact lens having an optimum combination of properties. US Patent 3,950,315.

3. Gaylord N.G. Oxygen-permeable contact lens composition, methods and article of manufacture. US Patent 3,808,17.

4. Holden B.A., Mertz G.W. Critical oxygen level to avoid corneal edema for daily and extended wear contact lenses. Invest Ophthalmol Vis Sci. 1984; 25:1161-1167.

5. Ichinohe S. et al. Oxygen permeable hard contact lens. US Patent 4,433,125.

6. Junichi I. et al. Silicone hydrogel contact lens. WO2006026474.

7. Mancini W.L. et al. Hydrogels and articles made therefrom. US Patent 4,056,496.

8. McCabe K.P. et al. Biomedical devices containing internal wetting agents. US Patent 6,822,016.

9. Nicolson P.C. et al. Extended wear ophthalmic lens. WO 96/31792.

10. Tanaka K. et al. Copolymer for soft contact lens, its preparation and soft contact lens made thereof. US Patent 4,139,513.

11. Sabell A.G. The history of contact lenses. In: Contact Lenses. Ed. A.J. Philips, L. Speedwell. Edinburgh: Butterworth-Heinemann; 2000: 1-16/

12. Steckler R. Hydrogels from cross-linked polymer of N-vinyl lactams and alkyl acrylates. US Patent 3,532,679.

13. Wichterle O., Lim D. Hydrophilic gels for biological use. Nature. 1960;185:117-118.


Review

For citations:


Conway M.J. Modern trends in contact lens materials development. The EYE GLAZ. 2019;21(3 (127)):40-45. (In Russ.) https://doi.org/10.33791/2222-4408-2019-3-40-45

Views: 772


Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.


ISSN 2222-4408 (Print)
ISSN 2686-8083 (Online)