Durasoft 2 Optifit Toric contact lenses from Wesley Jessen are manufactured to correct the vision of patients suffering from astigmatism. The lenses are designed to be worn as daily wear lenses for up to a year. The lenses are made with a visible tint to help you locate your lenses in the solution and will not change the color of your eyes. The Durasoft Optifit Toric lens provides you with optimum visual acuity along with stable, comfortable vision.
Lens Material
The lens material, phemfilcon A, is a hydrophilic copolymer of 2-hydroxyethyl methacrylate and 2-ethoxyethyl methacrylate.
| Lens Parameters | |
| Base Curve: | Median |
| Diameter: | 12.0 to 15.0 mm |
| Power Range: | -20.00 Diopters to +20.00 Diopters |
| Center Thickness: | Varies with power. Typically 0.07 mm for minus lenses; increases with increasing plus power. |
| Cylinder: | -0.75 Diopters to -9.75 Diopters |
| Axis: | 0 deg. to 180 deg. in 1 deg. steps |
| Prism Ballasted |
| Lens Properties | |
| Specific Gravity: | 1.176 |
| Refractive Index: | 1.440 |
| Visible Light Transmission: | 95% minimum |
| Water Content: | 38% |
| Oxygen Permeability: | 12.9 x 10-9 ml 02 cm / sec ml mm Hg @ 35 deg. C |