Paragon HDS contact lenses from Paragon Vision Sciences are gas permeable lenses designed to be worn as daily wear lenses and replaced after up to a year of use, depending on advice from your eye care practitioner.  The lenses are made with materials that utilize a proprietary hyper puffed delivery system to purify the material’s silicone content, offering one of the most efficient lens materials in the industry.  Paragon HDS lenses are manufactured with a visible tint to assist in locating them in the solution.

   


Lens Material

The Paragon HDS rigid gas permeable contact lens material is 100% Polymer (paflufocon B); a thermoset copolymer derived from fluorosilicone acrylate monomers.

     


Lens Properties
Chord Diameter: 7.0 to 10.5mm
Center Thickness: 0.05 to 0.70mm
Base Curve: 6.50 to 9.00mm
Powers Daily Wear: -20.00 to +12.00 Diopters
Powers Extended Wear: -20.00 to +8.00 Diopters
Bifocal Add Powers: +0.25 to +4.00 Diopters
Monocentric Bifocal Add Diameter: 4.0 to 9.0mm
Monocentric Bifocal Prism: 1.0 to 2.5 Diopters
Concentric Bifocal Add Diameter: 2.0 to 4.0mm

Lens Parameters
Refractive Index: 1.449(Nd at 25 deg. C)
Luminous Transmittance: (Sapphire Blue) 95%
(Emerald Green) 95%
(Forest Green) 90%
(Crystal Blue) 98%
Wetting Angle (Receding Angle): 14.71 deg.
Specific Gravity: 1.16
Hardness (Shore D): 84
Water Content: < 1%

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