Durasoft 3 Optifit Toric UV contact lenses from Wesley Jessen are designed to correct the vision of patients suffering from astigmatism. They are worn as daily lenses for up to a year and discarded. Durasoft 3 Optifit Toric lenses are made with a visible tint to assist you in locating your lenses in the solution and are UV protected to keep harmful rays from damaging your eyes. The tint will not change the color of your eyes.
Lens Material
The lens material, phemfilcon A, is a hydrophilic copolymer of 2-hydroxyethyl methacrylate and 2-ethoxyethyl methacrylate.
| Lens Parameters | |
| Base Curve: | Steep, Median, Flat |
| Diameter: | 14.5mm |
| Axes: | Full circle, 5 deg. steps |
| Sphere: | +4.00 to -8.00, 0.25D steps |
| Cylinder: | -0.75 to -5.75, 0.50D steps |
| Center Thickness: | Varies with power. Typically 0.05mm for minus lenses increases with increasing plus power. |
| Lens Properties | |
| Specific Gravity: | 1.178 |
| Refractive Index: | 1.412 |
| Visible Light Transmission: | 95% minimum |
| Water Content: | 55% |
| Optical Zone: | 5mm |
| Oxygen Permeability: | Dk/L=32.2x10-9ml O2 cm/sec ml mm Hg @ 35 deg. C |