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% |