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1. coopervision.co.uk › about-contacts › silicone-hydroSilicone Hydrogels: What's The Difference? | CooperVision ...

   coopervision.co.uk › about-contacts › silicone-hydro

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   Silicone hydrogels are the latest in a line of developments aimed at increasing the oxygen permeability (increased comfort, longer wear and better eye health), wettability (better comfort) and clinical performance of contact lenses.

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3. en.wikipedia.org › wiki › List_of_soft_contact_lensList of soft contact lens materials - Wikipedia

   en.wikipedia.org › wiki › List_of_soft_contact_lens

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   made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses. Newer soft lens materials include silicone-hydrogels to provide more oxygen to your eye while you wear your lenses. [4] History.

   Fda Lens Group	Adopted Name	Transmissibility Level (dk X10 -11)	Water Content
   I non-ionic low water content	galyfilcon A	60	47%
   I non-ionic low water content	lotrafilcon A	140	24%
   I non-ionic low water content	lotrafilcon B	110	33%
   I non-ionic low water content	polymacon	7.5	36%

   See full list on en.wikipedia.org

   • Features: TRIS structures, plasma treated, high modulus

   • Material: Lotrafilcon A, Balafilcon A

4. www.clspectrum.com › issues › 2008The Evolution of Silicone Hydrogel Lenses | Contact Lens Spectrum

   www.clspectrum.com › issues › 2008

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   Balafilcon A is a homogeneous combination of a TRIS monomer derivative that's copolymerized with the hydrophilic hydrogel monomer N-vinyl pyrrolidone (NVP). The molecular strategy with this combination is the synthesis of a TRIS-like structure with polar groups to make it hydrophilic.

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6. www.reviewofcontactlenses.com › article › contactContact Lenses and Comfort: It’s a Material World

   www.reviewofcontactlenses.com › article › contact

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   May 15, 2017 · Influenced by clinical feedback that discomfort is the number one cause of dropout, the latest contact lenses have evolved significantly to improve ocular comfort. This is especially true with silicone hydrogel (SiHy) contact lenses, which are supplanting soft hydrogel lenses in popularity.

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7. coopervision.com › about-contacts › silicone-hydroSilicone Hydrogel Contact Lenses | CooperVision

   coopervision.com › about-contacts › silicone-hydro

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   Discover how silicone hydrogel contact lenses revolutionize vision correction and provide a healthier experience for your eyes. Explore how silicone hydrogel lenses enhance breathability and maintain optimal moisture levels to keep your eyes healthy and comfortable all day long.

   • Soft contact lenses were made possible in the 1960s and 1970s by the development of water-loving polymers: large molecules made of repeated pieces...
   • The primary benefit of silicone hydrogel lenses is that they reduce the tradeoff between oxygen permeability and wettability. This opens up many po...
   • There are many different types of silicone hydrogel materials that are each used to make contact lenses that address different corrective and weari...

8. coopervision.ca › about-contacts › silicone-hydrogelsSilicone Hydrogels: What’s The Difference? | CooperVision Canada

   coopervision.ca › about-contacts › silicone-hydrogels

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   Silicone hydrogels are the latest in a line of developments aimed at increasing the oxygen permeability (increased comfort, longer wear and better eye health), wettability (better comfort) and clinical performance of contact lenses.

9. People also ask

   What are Enfilcon and Comfilcon A?

   • Comfilcon A (Biofinity, CooperVision) and enfilcon A (Avaira, CooperVision) are the latest silicone hydrogel entries. Both use a unique long-chain siloxane macromer combined with other components to result in a lens that features high oxygen permeability and a relatively low modulus.

   The Evolution of Silicone Hydrogel Lenses | Contact Lens Spectrum

   www.clspectrum.com/issues/2008/june/the-evolution-of-silicone-hydrogel-lenses/

   See all results for this question

   Are silicone hydrogel contacts right for You?

   • While silicone hydrogels generally improve comfort and allow longer wear, check with your doctor about which contact lenses are right for you. Silicone hydrogel lenses reduce the tradeoff between oxygen permeability and wettability. This opens up many possibilities for silicone hydrogel contacts, including:

   Silicone Hydrogel Contact Lenses | CooperVision

   coopervision.com/about-contacts/silicone-hydrogel-contact-lenses

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   What are the different types of silicone hydrogels used for contact lenses?

   • There are many types, even generations, of silicone hydrogels used to manufacture contact lenses today. These come with technical names such as galyfilcon, senofilcon, comfilcon and enfilcon. Each contact lens, whatever the material, is government agency-approved or cleared for specific wear and replacement conditions.

   Silicone Hydrogels: What's The Difference? - CooperVision

   coopervision.co.uk/about-contacts/silicone-hydrogels-whats-difference

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   Are contact lenses Health Canada approved?

   • Each contact lens, whatever the material, is Health Canada-approved or cleared for specific wear and replacement conditions. While silicone hydrogels generally improve comfort and allow longer wear, check with your doctor about which contact lenses are right for you.

   Silicone Hydrogels: What’s The Difference? | CooperVision Canada

   coopervision.ca/about-contacts/silicone-hydrogels-what’s-difference

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   What is a soft contact lens?

   • made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses. Newer soft lens materials include silicone-hydrogels to provide more oxygen to your eye while you wear your lenses.

   List of soft contact lens materials - Wikipedia

   en.wikipedia.org/wiki/List_of_soft_contact_lens_materials

   See all results for this question

   What are the different types of contact lenses?

   • These come with technical names such as galyfilcon, senofilcon, comfilcon and enfilcon. Each contact lens, whatever the material, is U.S. FDA-approved or cleared for specific wear and replacement conditions. While silicone hydrogels generally improve comfort and allow longer wear, check with your doctor about which contact lenses are right for you.

   Silicone Hydrogels: What’s The Difference? - CooperVision Malaysia

   coopervision.com.my/about-contacts/silicone-hydrogel-contact-lenses

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10. coopervision.com.my › about-contacts › siliconeSilicone Hydrogels: What’s The Difference? | CooperVision ...

    coopervision.com.my › about-contacts › silicone

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    There are many types, even generations, of silicone hydrogels used to manufacture contact lenses today. These come with technical names such as galyfilcon, senofilcon, comfilcon and enfilcon. Each contact lens, whatever the material, is U.S. FDA-approved or cleared for specific wear and replacement conditions. While silicone hydrogels generally ...