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Contact Lens Materials

Soft Contact Lenses

Provides the wearer great initial comfort, short adaptation time, ideal for part time wear, capable of being tinted.

Silicone Hydrogel Contact Lenses

Up to seven times as much oxygen delivered to the wearer’s eye as soft contact lenses, can be used for continuous wear, ideal for high prescriptions and long wearing times.

Rigid Gas Permeable Contact Lenses

During World War II, it was discovered fragments of shattered poly-methyl-methacrylate (PMMA) cockpit windows were inert in the eyes of pilots. This led to the development of PMMA or hard contact lenses. We now use Fluoro-silicone Acrylate lenses, more commonly known as Rigid Gas Permeable Contact Lenses or RGPs. These lenses offer better Visual Acuity than spectacles or soft contact lenses, have a lower risk of complications than soft lenses, and are the most affordable modality. They do create higher awareness than soft Contact Lenses which takes longer to adapt to. For this reason, these lenses are best used on a daily basis rather than a part time basis.

Hybrid Contact Lenses

Hybrid Contact Lenses allow for the best of both worlds: the rigid central portion allows for great optics; the soft peripheral portion allows for great comfort. These are available as the Duette HD http://eyemag.in/glKTVWas a single focus lens as well as the Duette Multifocal http://eyemag.in/2VsHgYas a multiple focus lens.

 

 

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